The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
{"redhatcve": [{"lastseen": "2023-12-02T17:36:23", "description": "The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 10.0, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-11-03T01:14:56", "type": "redhatcve", "title": "CVE-2021-38503", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-38503"], "modified": "2023-04-06T09:22:38", "id": "RH:CVE-2021-38503", "href": "https://access.redhat.com/security/cve/cve-2021-38503", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "prion": [{"lastseen": "2023-11-22T00:58:56", "description": "The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 10.0, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-12-08T22:15:00", "type": "prion", "title": "Design/Logic Flaw", "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-38503"], "modified": "2022-12-09T15:21:00", "id": "PRION:CVE-2021-38503", "href": "https://www.prio-n.com/kb/vulnerability/CVE-2021-38503", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "veracode": [{"lastseen": "2023-04-18T06:48:20", "description": "firefox is vulnerable to denial of service attacks. The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 10.0, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-11-05T03:35:53", "type": "veracode", "title": "Denial Of Service (DoS)", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-38503"], "modified": "2022-12-09T17:20:12", "id": "VERACODE:32807", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-32807/summary", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "ubuntucve": [{"lastseen": "2023-12-02T13:52:53", "description": "The iframe sandbox rules were not correctly applied to XSLT stylesheets,\nallowing an iframe to bypass restrictions such as executing scripts or\nnavigating the top-level frame. This vulnerability affects Firefox < 94,\nThunderbird < 91.3, and Firefox ESR < 91.3.\n\n#### Notes\n\nAuthor| Note \n---|--- \n[tyhicks](<https://launchpad.net/~tyhicks>) | mozjs contains a copy of the SpiderMonkey JavaScript engine\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 10.0, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-11-03T00:00:00", "type": "ubuntucve", "title": "CVE-2021-38503", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-38503"], "modified": "2021-11-03T00:00:00", "id": "UB:CVE-2021-38503", "href": "https://ubuntu.com/security/CVE-2021-38503", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "debiancve": [{"lastseen": "2023-12-02T18:24:25", "description": "The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 10.0, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-12-08T22:15:00", "type": "debiancve", "title": "CVE-2021-38503", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-38503"], "modified": "2021-12-08T22:15:00", "id": "DEBIANCVE:CVE-2021-38503", "href": "https://security-tracker.debian.org/tracker/CVE-2021-38503", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "alpinelinux": [{"lastseen": "2023-12-02T17:25:11", "description": "The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 10.0, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-12-08T22:15:00", "type": "alpinelinux", "title": "CVE-2021-38503", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-38503"], "modified": "2022-12-09T15:21:00", "id": "ALPINE:CVE-2021-38503", "href": "https://security.alpinelinux.org/vuln/CVE-2021-38503", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "malwarebytes": [{"lastseen": "2021-11-03T16:59:05", "description": "In a [security advisory](<https://www.mozilla.org/en-US/security/advisories/mfsa2021-48/>), Mozilla's announced that several security issues in its Firefox browser have been fixed. Several of these vulnerabilities were listed as having a high impact.\n\nPublicly disclosed computer security flaws are listed in the Common Vulnerabilities and Exposures (CVE) database. Its goal is to make it easier to share data across separate vulnerability capabilities (tools, databases, and services). We\u2019ll discuss some of the CVEs fixed in this update below.\n\n### XSLT in an iFrame\n\nListed as [CVE-2021-38503](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38503>), it fixes an issue where the iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. Attackers could handle manipulated XSLT stylesheets and be able to execute scripts or break out onto the main frame.\n\nXSLT (Extensible Stylesheet Language Transformations) is a language for transforming XML documents into other XML documents, or other formats such as HTML for web pages, plain text or XSL Formatting Objects, which may subsequently be converted to other formats, such as PDF, PostScript and PNG.\n\n### Use-after-free in file picker dialog\n\nThe vulnerability listed under [CVE-2021-38504](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38504>) could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in file picker dialog. By persuading a victim to visit a specially-crafted website, a remote attacker could create an interaction with an HTML input element's file picker dialog with _webkitdirectory_ set. Use after free (UAF) is a vulnerability due to incorrect use of dynamic memory during a program\u2019s operation. If after freeing a memory location, a program does not clear the pointer to that memory, an attacker can use the error to manipulate the program.\n\n### Windows 10 Cloud Clipboard\n\nThe vulnerability listed under [CVE-2021-38505](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38505>) only applies for users of Firefox for Windows 10+ with Cloud Clipboard enabled. Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats. Firefox versions before 94 and ESR 91.3 did not implement these formats. This could have caused sensitive data to be recorded to a user's Microsoft account.\n\n### Unsolicited full screen mode\n\n[CVE-2021-38506](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38506>) describes a vulnerability in which, through a series of navigations, Firefox could have entered full screen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This type of attack is particularly useful for Tech Support scammers because they can make the browser page look like a security warning or [BSOD](<https://blog.malwarebytes.com/glossary/blue-screen-death-bsod/>), and trick the user into calling a specific number.\n\n### Opportunistic Encryption in HTTP2\n\nListed as [CVE-2021-38507](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38507>), the Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) doesn't opt-in to opportunistic encryption, a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage.\n\n### QR code scan\n\nThe vulnerability listed under MOZ-2021-0003 does not have a CVE number assigned to it. The vulnerability only affects Firefox for Android. A Universal XSS vulnerability was present in Firefox for Android resulting from improper sanitization when processing a URL scanned from a QR code. Cross-Site Scripting (XSS) attacks are a type of injection in which malicious scripts are injected into otherwise benign and trusted websites. QR codes are complicated barcodes that are [popular among scammers](<https://blog.malwarebytes.com/scams/2020/10/qr-code-scams-are-making-a-comeback/>). It's advisable to use a QR scanner that checks or at least displays the URL before it follows the link.\n\n### Memory safety bugs\n\nSeveral memory safety bugs were grouped under MOZ-2021-0007. Some of these bugs showed evidence of memory corruption and it was presumed that with enough effort some of these could have been exploited to run arbitrary code. These bugs were found by Mozilla developers and community members and have also been fixed in this update.\n\n### How to protect yourself\n\nAll of the issues listed above, and more, have been fixed in Firefox 94 and Firefox ESR 91.3. By default, Firefox updates automatically. You can always check for updates at any time, in which case an update is downloaded, but it is **not installed until you restart Firefox**.\n\n * Click the menu button, click **Help** and select **About Firefox**.\n * The **About Mozilla Firefox** window opens. Firefox will check for updates and, if an update is available, it will be downloaded automatically by default.\n\nStay safe, everyone!\n\nThe post [Update now! Mozilla fixes security vulnerabilities in Firefox 94](<https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/11/update-now-mozilla-fixes-security-vulnerabilities-in-firefox-94/>) appeared first on [Malwarebytes Labs](<https://blog.malwarebytes.com>).", "cvss3": {}, "published": "2021-11-03T14:23:29", "type": "malwarebytes", "title": "Update now! Mozilla fixes security vulnerabilities in Firefox 94", "bulletinFamily": "blog", "cvss2": {}, "cvelist": ["CVE-2021-38503", "CVE-2021-38504", "CVE-2021-38505", "CVE-2021-38506", "CVE-2021-38507"], "modified": "2021-11-03T14:23:29", "id": "MALWAREBYTES:AA19B361BF17392C0EAD332328F68709", "href": "https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/11/update-now-mozilla-fixes-security-vulnerabilities-in-firefox-94/", "cvss": {"score": 0.0, "vector": "NONE"}}], "ubuntu": [{"lastseen": "2023-12-02T18:51:22", "description": "## Releases\n\n * Ubuntu 21.10 \n\n## Packages\n\n * thunderbird \\- Mozilla Open Source mail and newsgroup client\n\nMultiple security issues were discovered in Thunderbird. If a user were \ntricked into opening a specially crafted website in a browsing context, an \nattacker could potentially exploit these to cause a denial of service, \nbypass security restrictions, spoof the UI, confuse the user, conduct \nphishing attacks, or execute arbitrary code.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 10.0, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-11-18T00:00:00", "type": "ubuntu", "title": "Thunderbird vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-38503", "CVE-2021-38504", "CVE-2021-38506", "CVE-2021-38507", "CVE-2021-38509"], "modified": "2021-11-18T00:00:00", "id": "USN-5152-1", "href": "https://ubuntu.com/security/notices/USN-5152-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-12-02T18:51:53", "description": "## Releases\n\n * Ubuntu 21.10 \n * Ubuntu 21.04 \n * Ubuntu 20.04 LTS\n * Ubuntu 18.04 ESM\n\n## Packages\n\n * firefox \\- Mozilla Open Source web browser\n\nMultiple security issues were discovered in Firefox. If a user were \ntricked into opening a specially crafted website, an attacker could \npotentially exploit these to cause a denial of service, bypass security \nrestrictions, spoof the browser UI, confuse the user, conduct phishing \nattacks, or execute arbitrary code. (CVE-2021-38503, CVE-2021-38504, \nCVE-2021-38506, CVE-2021-38507, CVE-2021-38508, CVE-2021-38509)\n\nIt was discovered that the 'Copy Image Link' context menu action \nwould copy the final image URL after redirects. If a user were tricked \ninto copying and pasting a link for an embedded image that triggered \nauthentication flows back to the page, an attacker could potentially \nexploit this to steal authentication tokens.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 10.0, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-11-03T00:00:00", "type": "ubuntu", "title": "Firefox vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-38503", "CVE-2021-38504", "CVE-2021-38506", "CVE-2021-38507", "CVE-2021-38508", "CVE-2021-38509"], "modified": "2021-11-03T00:00:00", "id": "USN-5131-1", "href": "https://ubuntu.com/security/notices/USN-5131-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-12-02T18:49:42", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n * Ubuntu 18.04 ESM\n\n## Packages\n\n * thunderbird \\- Mozilla Open Source mail and newsgroup client\n\nMultiple security issues were discovered in Thunderbird. If a user were \ntricked into opening a specially crafted website in a browsing context, an \nattacker could potentially exploit these to cause a denial of service, \nobtain sensitive information, trick a user into accepting unwanted \npermissions, conduct header splitting attacks, conduct spoofing attacks, \nbypass security restrictions, confuse the user, or execute arbitrary code. \n(CVE-2021-4129, CVE-2021-4140, CVE-2021-29981, CVE-2021-29982, \nCVE-2021-29987, CVE-2021-29991, CVE-2021-38495, CVE-2021-38496, \nCVE-2021-38497, CVE-2021-38498, CVE-2021-38500, CVE-2021-38501, \nCVE-2021-38503, CVE-2021-38504, CVE-2021-38506, CVE-2021-38507, \nCVE-2021-38508, CVE-2021-38509, CVE-2021-43534, CVE-2021-43535, \nCVE-2021-43536, CVE-2021-43537, CVE-2021-43538, CVE-2021-43539, \nCVE-2021-43541, CVE-2021-43542, CVE-2021-43543, CVE-2021-43545, \nCVE-2021-43656, CVE-2022-22737, CVE-2022-22738, CVE-2022-22739, \nCVE-2022-22740, CVE-2022-22741, CVE-2022-22742, CVE-2022-22743, \nCVE-2022-22745, CVE-2022-22747, CVE-2022-22748, CVE-2022-22751)\n\nIt was discovered that Thunderbird ignored the configuration to require \nSTARTTLS for an SMTP connection. A person-in-the-middle could potentially \nexploit this to perform a downgrade attack in order to intercept messages \nor take control of a session. (CVE-2021-38502)\n\nIt was discovered that JavaScript was unexpectedly enabled in the \ncomposition area. An attacker could potentially exploit this in \ncombination with another vulnerability, with unspecified impacts. \n(CVE-2021-43528)\n\nA buffer overflow was discovered in the Matrix chat library bundled with \nThunderbird. An attacker could potentially exploit this to cause a denial \nof service, or execute arbitrary code. (CVE-2021-44538)\n\nIt was discovered that Thunderbird's OpenPGP integration only considered \nthe inner signed message when checking signature validity in a message \nthat contains an additional outer MIME layer. An attacker could \npotentially exploit this to trick the user into thinking that a message \nhas a valid signature. 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It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-49 advisory.\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with <code>webkitdirectory</code> set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash.\n (CVE-2021-38504)\n\n - Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios.\n Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. This could have caused sensitive data to be recorded to a user's Microsoft account. This bug only affects Firefox for Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected. (CVE-2021-38505)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing.\n (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage.\n (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript <code>alert()</code> dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. (CVE-2021-38509)\n\n - The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer. Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected. (CVE-2021-38510)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2021-11-02T00:00:00", "type": "nessus", "title": "Mozilla Firefox ESR < 91.3", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2021-38503", "CVE-2021-38504", "CVE-2021-38505", "CVE-2021-38506", "CVE-2021-38507", "CVE-2021-38508", "CVE-2021-38509", "CVE-2021-38510"], "modified": "2022-03-17T00:00:00", "cpe": ["cpe:/a:mozilla:firefox_esr"], "id": "MOZILLA_FIREFOX_91_3_ESR.NASL", "href": "https://www.tenable.com/plugins/nessus/154817", "sourceData": "#%NASL_MIN_LEVEL 70300\n## \n# (C) Tenable Network Security, Inc.\n# \n# The descriptive text and package checks in this plugin were\n# extracted from Mozilla Foundation Security Advisory mfsa2021-49.\n# The text itself is copyright (C) Mozilla Foundation.\n##\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(154817);\n script_version(\"1.7\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2022/03/17\");\n\n script_cve_id(\n \"CVE-2021-38503\",\n \"CVE-2021-38504\",\n \"CVE-2021-38505\",\n \"CVE-2021-38506\",\n \"CVE-2021-38507\",\n \"CVE-2021-38508\",\n \"CVE-2021-38509\",\n \"CVE-2021-38510\"\n );\n script_xref(name:\"IAVA\", value:\"2021-A-0527-S\");\n\n script_name(english:\"Mozilla Firefox ESR < 91.3\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"A web browser installed on the remote Windows host is affected by multiple vulnerabilities.\");\n script_set_attribute(attribute:\"description\", value:\n\"The version of Firefox ESR installed on the remote Windows host is prior to 91.3. It is, therefore, affected by multiple\nvulnerabilities as referenced in the mfsa2021-49 advisory.\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass\n restrictions such as executing scripts or navigating the top-level frame. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with <code>webkitdirectory</code> set, a\n use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash.\n (CVE-2021-38504)\n\n - Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record\n data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios.\n Applications that wish to prevent copied data from being recorded in Cloud History must use specific\n clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. 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}\n}\n\nif (flag)\n{\n var subscription_caveat = '\\n' +\n 'NOTE: This vulnerability check contains fixes that apply to\\n' +\n 'packages only available in the Red Hat Enterprise Linux\\n' +\n 'Advanced Update Support, Extended Update Support, Telco Extended Update Support or Update Services for SAP Solutions repositories.\\n' +\n 'Access to these repositories requires a paid RHEL subscription.\\n';\n var extra = NULL;\n if (empty_or_null(applicable_repo_urls)) extra = subscription_caveat + rpm_report_get() + redhat_report_repo_caveat();\n else extra = subscription_caveat + rpm_report_get() + redhat_report_package_caveat();\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : extra\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'firefox');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-11-18T15:33:27", "description": "The remote SUSE Linux SLED12 / SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3721-1 advisory.\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after- free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios.\n Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. This could have caused sensitive data to be recorded to a user's Microsoft account. *This bug only affects Firefox for Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38505)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. 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This could have caused sensitive data to be recorded to a user's Microsoft account. This bug only affects Thunderbird for Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected. (CVE-2021-38505)\n\n - Through a series of web navigations, Thunderbird could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing.\n (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage.\n (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript <code>alert()</code> dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. (CVE-2021-38509)\n\n - The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer. Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected. 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In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4. (CVE-2021-32810)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38497)\n\n - During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38498)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38501)\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after- free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43534)\n\n - A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3. 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Please contact ZTE\nfor more information.\");\n script_set_cvss_base_vector(\"CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P\");\n script_set_cvss_temporal_vector(\"CVSS2#E:U/RL:OF/RC:C\");\n script_set_cvss3_base_vector(\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H\");\n script_set_cvss3_temporal_vector(\"CVSS:3.0/E:U/RL:O/RC:C\");\n script_set_attribute(attribute:\"cvss_score_source\", value:\"CVE-2021-38503\");\n\n script_set_attribute(attribute:\"exploitability_ease\", value:\"No known exploits are available\");\n script_set_attribute(attribute:\"exploit_available\", value:\"false\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2021/08/02\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2023/04/11\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2023/04/11\");\n\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:zte:cgsl_core:firefox\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:zte:cgsl_core:firefox-debuginfo\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:zte:cgsl_main:firefox\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:zte:cgsl_main:firefox-debuginfo\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:zte:cgsl_core:5\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:zte:cgsl_main:5\");\n script_set_attribute(attribute:\"generated_plugin\", value:\"current\");\n script_set_attribute(attribute:\"stig_severity\", value:\"I\");\n script_end_attributes();\n\n script_category(ACT_GATHER_INFO);\n script_family(english:\"NewStart CGSL Local Security Checks\");\n\n script_copyright(english:\"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n\n script_dependencies(\"ssh_get_info.nasl\");\n script_require_keys(\"Host/local_checks_enabled\", \"Host/ZTE-CGSL/release\", \"Host/ZTE-CGSL/rpm-list\", \"Host/cpu\");\n\n exit(0);\n}\n\ninclude('rpm.inc');\n\nif (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\n\nvar os_release = get_kb_item('Host/ZTE-CGSL/release');\nif (isnull(os_release) || os_release !~ \"^CGSL (MAIN|CORE)\") audit(AUDIT_OS_NOT, 'NewStart Carrier Grade Server Linux');\n\nif (os_release !~ \"CGSL CORE 5.05\" &&\n os_release !~ \"CGSL MAIN 5.05\")\n audit(AUDIT_OS_NOT, 'NewStart CGSL CORE 5.05 / NewStart CGSL MAIN 5.05');\n\nif (!get_kb_item('Host/ZTE-CGSL/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);\n\nvar cpu = get_kb_item('Host/cpu');\nif (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);\nif ('x86_64' >!< cpu && cpu !~ \"^i[3-6]86$\") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'NewStart Carrier Grade Server Linux', cpu);\n\nvar flag = 0;\n\nvar pkgs = {\n 'CGSL CORE 5.05': [\n 'firefox-91.3.0-1.el7.centos',\n 'firefox-debuginfo-91.3.0-1.el7.centos'\n ],\n 'CGSL MAIN 5.05': [\n 'firefox-91.3.0-1.el7.centos',\n 'firefox-debuginfo-91.3.0-1.el7.centos'\n ]\n};\nvar pkg_list = pkgs[os_release];\n\nforeach (pkg in pkg_list)\n if (rpm_check(release:'ZTE ' + os_release, reference:pkg)) flag++;\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : rpm_report_get()\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'firefox');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-11-18T15:35:12", "description": "The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5026 advisory.\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after- free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43534)\n\n - A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43535)\n\n - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43536)\n\n - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43537)\n\n - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43538)\n\n - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43539)\n\n - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43541)\n\n - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43542)\n\n - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43543)\n\n - Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)\n\n - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.\n This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. 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'91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-pa-in', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-pl', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-pt-br', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-pt-pt', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-rm', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-ro', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-ru', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-si', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-sk', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-sl', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-son', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-sq', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-sr', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-sv-se', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-ta', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-te', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-th', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-tl', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-tr', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-trs', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-uk', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-ur', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-uz', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-vi', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-xh', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-zh-cn', 'reference': '91.4.1esr-1~deb11u1'},\n {'release': '11.0', 'prefix': 'iceweasel-l10n-zh-tw', 'reference': '91.4.1esr-1~deb11u1'}\n];\n\nvar flag = 0;\nforeach package_array ( pkgs ) {\n var release = NULL;\n var prefix = NULL;\n var reference = NULL;\n if (!empty_or_null(package_array['release'])) release = package_array['release'];\n if (!empty_or_null(package_array['prefix'])) prefix = package_array['prefix'];\n if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];\n if (release && prefix && reference) {\n if (deb_check(release:release, prefix:prefix, reference:reference)) flag++;\n }\n}\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : deb_report_get()\n );\n exit(0);\n}\nelse\n{\n var tested = deb_pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'firefox-esr / firefox-esr-l10n-ach / firefox-esr-l10n-af / etc');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-11-18T15:35:22", "description": "The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2863 advisory.\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after- free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43534)\n\n - A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43535)\n\n - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43536)\n\n - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43537)\n\n - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43538)\n\n - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43539)\n\n - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43541)\n\n - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43542)\n\n - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43543)\n\n - Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)\n\n - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.\n This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43546)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2021-12-29T00:00:00", "type": "nessus", "title": "Debian DLA-2863-1 : firefox-esr - LTS security update", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2021-38503", "CVE-2021-38504", "CVE-2021-38506", "CVE-2021-38507", "CVE-2021-38508", "CVE-2021-38509", "CVE-2021-43534", "CVE-2021-43535", "CVE-2021-43536", "CVE-2021-43537", "CVE-2021-43538", "CVE-2021-43539", "CVE-2021-43541", "CVE-2021-43542", "CVE-2021-43543", "CVE-2021-43545", "CVE-2021-43546"], "modified": "2022-03-17T00:00:00", "cpe": ["p-cpe:/a:debian:debian_linux:firefox-esr", "p-cpe:/a:debian:debian_linux:firefox-esr-dev", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ach", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-af", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-all", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-an", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ar", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-as", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ast", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-az", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-be", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-bg", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-bn", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-bn-bd", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-bn-in", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-br", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-bs", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ca", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ca-valencia", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-cak", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-cs", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-cy", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-da", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-de", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-dsb", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-el", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-en-ca", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-en-gb", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-en-za", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-eo", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-es-ar", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-es-cl", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-es-es", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-es-mx", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-et", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-eu", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-fa", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ff", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-fi", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-fr", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-fy-nl", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ga-ie", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-gd", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-gl", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-gn", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-gu-in", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-he", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-hi-in", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-hr", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-hsb", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-hu", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-hy-am", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ia", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-id", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-is", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-it", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ja", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ka", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-kab", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-kk", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-km", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-kn", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ko", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-lij", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-lt", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-lv", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-mai", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-mk", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ml", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-mr", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ms", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-my", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-nb-no", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ne-np", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-nl", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-nn-no", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-oc", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-or", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-pa-in", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-pl", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-pt-br", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-pt-pt", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-rm", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ro", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ru", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sco", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-si", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sk", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sl", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-son", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sq", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sr", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-sv-se", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-szl", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-ta", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-te", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-th", "p-cpe:/a:debian:debian_linux:firefox-esr-l10n-tl", 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'iceweasel-l10n-fy-nl', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-ga-ie', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-gd', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-gl', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-gn', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-gu-in', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-he', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-hi-in', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-hr', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-hsb', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-hu', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-hy-am', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-ia', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-id', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-is', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-it', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-ja', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-ka', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-kab', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-kk', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-km', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-kn', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-ko', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-lij', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-lt', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-lv', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-mai', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-mk', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-ml', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-mr', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-ms', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-my', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-nb-no', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-ne-np', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-nl', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-nn-no', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-oc', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-or', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-pa-in', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-pl', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-pt-br', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-pt-pt', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-rm', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-ro', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-ru', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-sco', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-si', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-sk', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-sl', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-son', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-sq', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-sr', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-sv-se', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-szl', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-ta', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-te', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-th', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-tl', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-tr', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-trs', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-uk', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-ur', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-uz', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-vi', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-xh', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-zh-cn', 'reference': '91.4.1esr-1~deb9u1'},\n {'release': '9.0', 'prefix': 'iceweasel-l10n-zh-tw', 'reference': '91.4.1esr-1~deb9u1'}\n];\n\nvar flag = 0;\nforeach package_array ( pkgs ) {\n var release = NULL;\n var prefix = NULL;\n var reference = NULL;\n if (!empty_or_null(package_array['release'])) release = package_array['release'];\n if (!empty_or_null(package_array['prefix'])) prefix = package_array['prefix'];\n if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];\n if (release && prefix && reference) {\n if (deb_check(release:release, prefix:prefix, reference:reference)) flag++;\n }\n}\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : deb_report_get()\n );\n exit(0);\n}\nelse\n{\n var tested = deb_pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'firefox-esr / firefox-esr-dev / firefox-esr-l10n-ach / etc');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-11-18T15:18:27", "description": "The remote Debian 10 / 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5034 advisory.\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was configured, the MITM could obtain the authentication credentials, too. This vulnerability affects Thunderbird < 91.2. (CVE-2021-38502)\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after- free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.\n (CVE-2021-43528)\n\n - Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43534)\n\n - A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43535)\n\n - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43536)\n\n - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43537)\n\n - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43538)\n\n - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43539)\n\n - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43541)\n\n - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43542)\n\n - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43543)\n\n - Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)\n\n - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.\n This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43546)\n\n - The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel between two parties. Therefore, its state is partially controllable by the remote party of the channel. Attackers can construct a crafted sequence of messages to manipulate the state of the receiver's session in such a way that, for some buffer sizes, a buffer overflow happens on a call to olm_session_describe. Furthermore, safe buffer sizes were undocumented. The overflow content is partially controllable by the attacker and limited to ASCII spaces and digits. The known affected products are Element Web And SchildiChat Web. 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This vulnerability affects Thunderbird < 78.15,\n Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these\n bugs showed evidence of memory corruption and we presume that with enough effort some of these could have\n been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2,\n Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could\n perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated\n session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was\n configured, the MITM could obtain the authentication credentials, too. This vulnerability affects\n Thunderbird < 91.2. 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This vulnerability affects Thunderbird < 91.4.0.\n (CVE-2021-43528)\n\n - Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR\n 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some\n of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 94,\n Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43534)\n\n - A use-after-free could have occured when an HTTP2 session object was released on a different thread,\n leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93,\n Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43535)\n\n - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the\n target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43536)\n\n - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory\n leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR <\n 91.4.0, and Firefox < 95. (CVE-2021-43537)\n\n - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for\n pages that had received full screen and pointer lock access, which could have been used for spoofing\n attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43538)\n\n - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC\n occurring within the call not tracing those live pointers. This could have led to a use-after-free causing\n a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0,\n and Firefox < 95. (CVE-2021-43539)\n\n - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not\n properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43541)\n\n - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages\n for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and\n Firefox < 95. (CVE-2021-43542)\n\n - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by\n embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and\n Firefox < 95. (CVE-2021-43543)\n\n - Using the Location API in a loop could have caused severe application hangs and crashes. This\n vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)\n\n - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.\n This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43546)\n\n - The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The\n Olm session object represents a cryptographic channel between two parties. Therefore, its state is\n partially controllable by the remote party of the channel. Attackers can construct a crafted sequence of\n messages to manipulate the state of the receiver's session in such a way that, for some buffer sizes, a\n buffer overflow happens on a call to olm_session_describe. Furthermore, safe buffer sizes were\n undocumented. The overflow content is partially controllable by the attacker and limited to ASCII spaces\n and digits. 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'11.0', 'prefix': 'thunderbird-l10n-nb-no', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-nl', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-nn-no', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-pa-in', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-pl', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-pt-br', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-pt-pt', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-rm', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-ro', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-ru', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-si', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-sk', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-sl', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-sq', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-sr', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-sv-se', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-th', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-tr', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-uk', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-uz', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-vi', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-zh-cn', 'reference': '1:91.4.1-1~deb11u1'},\n {'release': '11.0', 'prefix': 'thunderbird-l10n-zh-tw', 'reference': '1:91.4.1-1~deb11u1'}\n];\n\nvar flag = 0;\nforeach package_array ( pkgs ) {\n var release = NULL;\n var prefix = NULL;\n var reference = NULL;\n if (!empty_or_null(package_array['release'])) release = package_array['release'];\n if (!empty_or_null(package_array['prefix'])) prefix = package_array['prefix'];\n if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];\n if (release && prefix && reference) {\n if (deb_check(release:release, prefix:prefix, reference:reference)) flag++;\n }\n}\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : deb_report_get()\n );\n exit(0);\n}\nelse\n{\n var tested = deb_pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'calendar-google-provider / lightning / thunderbird / etc');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-11-18T15:19:28", "description": "The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2874 advisory.\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was configured, the MITM could obtain the authentication credentials, too. This vulnerability affects Thunderbird < 91.2. (CVE-2021-38502)\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after- free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.\n (CVE-2021-43528)\n\n - Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43534)\n\n - A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43535)\n\n - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43536)\n\n - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43537)\n\n - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43538)\n\n - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43539)\n\n - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43541)\n\n - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43542)\n\n - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43543)\n\n - Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)\n\n - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.\n This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43546)\n\n - The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel between two parties. Therefore, its state is partially controllable by the remote party of the channel. Attackers can construct a crafted sequence of messages to manipulate the state of the receiver's session in such a way that, for some buffer sizes, a buffer overflow happens on a call to olm_session_describe. Furthermore, safe buffer sizes were undocumented. The overflow content is partially controllable by the attacker and limited to ASCII spaces and digits. The known affected products are Element Web And SchildiChat Web. (CVE-2021-44538)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2022-01-04T00:00:00", "type": "nessus", "title": "Debian DLA-2874-1 : thunderbird - LTS security update", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2021-38496", "CVE-2021-38500", "CVE-2021-38502", "CVE-2021-38503", "CVE-2021-38504", "CVE-2021-38506", "CVE-2021-38507", "CVE-2021-38508", "CVE-2021-38509", "CVE-2021-4126", "CVE-2021-43528", "CVE-2021-43529", "CVE-2021-43534", "CVE-2021-43535", "CVE-2021-43536", "CVE-2021-43537", "CVE-2021-43538", "CVE-2021-43539", "CVE-2021-43541", "CVE-2021-43542", "CVE-2021-43543", "CVE-2021-43545", "CVE-2021-43546", "CVE-2021-44538"], "modified": "2022-05-06T00:00:00", "cpe": ["p-cpe:/a:debian:debian_linux:calendar-google-provider", "p-cpe:/a:debian:debian_linux:icedove", "p-cpe:/a:debian:debian_linux:icedove-dbg", "p-cpe:/a:debian:debian_linux:icedove-dev", "p-cpe:/a:debian:debian_linux:icedove-l10n-all", "p-cpe:/a:debian:debian_linux:icedove-l10n-ar", "p-cpe:/a:debian:debian_linux:icedove-l10n-ast", "p-cpe:/a:debian:debian_linux:icedove-l10n-be", "p-cpe:/a:debian:debian_linux:icedove-l10n-bg", "p-cpe:/a:debian:debian_linux:icedove-l10n-bn-bd", "p-cpe:/a:debian:debian_linux:icedove-l10n-br", "p-cpe:/a:debian:debian_linux:icedove-l10n-ca", "p-cpe:/a:debian:debian_linux:icedove-l10n-cs", "p-cpe:/a:debian:debian_linux:icedove-l10n-da", "p-cpe:/a:debian:debian_linux:icedove-l10n-de", "p-cpe:/a:debian:debian_linux:icedove-l10n-dsb", "p-cpe:/a:debian:debian_linux:icedove-l10n-el", "p-cpe:/a:debian:debian_linux:icedove-l10n-en-gb", "p-cpe:/a:debian:debian_linux:icedove-l10n-es-ar", "p-cpe:/a:debian:debian_linux:icedove-l10n-es-es", "p-cpe:/a:debian:debian_linux:icedove-l10n-et", "p-cpe:/a:debian:debian_linux:icedove-l10n-eu", "p-cpe:/a:debian:debian_linux:icedove-l10n-fi", "p-cpe:/a:debian:debian_linux:icedove-l10n-fr", "p-cpe:/a:debian:debian_linux:icedove-l10n-fy-nl", "p-cpe:/a:debian:debian_linux:icedove-l10n-ga-ie", "p-cpe:/a:debian:debian_linux:icedove-l10n-gd", "p-cpe:/a:debian:debian_linux:icedove-l10n-gl", "p-cpe:/a:debian:debian_linux:icedove-l10n-he", "p-cpe:/a:debian:debian_linux:icedove-l10n-hr", "p-cpe:/a:debian:debian_linux:icedove-l10n-hsb", "p-cpe:/a:debian:debian_linux:icedove-l10n-hu", "p-cpe:/a:debian:debian_linux:icedove-l10n-hy-am", "p-cpe:/a:debian:debian_linux:icedove-l10n-id", "p-cpe:/a:debian:debian_linux:icedove-l10n-is", "p-cpe:/a:debian:debian_linux:icedove-l10n-it", "p-cpe:/a:debian:debian_linux:icedove-l10n-ja", "p-cpe:/a:debian:debian_linux:icedove-l10n-kab", "p-cpe:/a:debian:debian_linux:icedove-l10n-ko", "p-cpe:/a:debian:debian_linux:icedove-l10n-lt", "p-cpe:/a:debian:debian_linux:icedove-l10n-nb-no", "p-cpe:/a:debian:debian_linux:icedove-l10n-nl", "p-cpe:/a:debian:debian_linux:icedove-l10n-nn-no", "p-cpe:/a:debian:debian_linux:icedove-l10n-pa-in", "p-cpe:/a:debian:debian_linux:icedove-l10n-pl", "p-cpe:/a:debian:debian_linux:icedove-l10n-pt-br", "p-cpe:/a:debian:debian_linux:icedove-l10n-pt-pt", "p-cpe:/a:debian:debian_linux:icedove-l10n-rm", "p-cpe:/a:debian:debian_linux:icedove-l10n-ro", "p-cpe:/a:debian:debian_linux:icedove-l10n-ru", "p-cpe:/a:debian:debian_linux:icedove-l10n-si", "p-cpe:/a:debian:debian_linux:icedove-l10n-sk", "p-cpe:/a:debian:debian_linux:icedove-l10n-sl", "p-cpe:/a:debian:debian_linux:icedove-l10n-sq", "p-cpe:/a:debian:debian_linux:icedove-l10n-sr", "p-cpe:/a:debian:debian_linux:icedove-l10n-sv-se", "p-cpe:/a:debian:debian_linux:icedove-l10n-ta-lk", "p-cpe:/a:debian:debian_linux:icedove-l10n-tr", "p-cpe:/a:debian:debian_linux:icedove-l10n-uk", "p-cpe:/a:debian:debian_linux:icedove-l10n-vi", "p-cpe:/a:debian:debian_linux:icedove-l10n-zh-cn", "p-cpe:/a:debian:debian_linux:icedove-l10n-zh-tw", "p-cpe:/a:debian:debian_linux:iceowl-extension", "p-cpe:/a:debian:debian_linux:iceowl-l10n-ar", "p-cpe:/a:debian:debian_linux:iceowl-l10n-ast", "p-cpe:/a:debian:debian_linux:iceowl-l10n-be", "p-cpe:/a:debian:debian_linux:iceowl-l10n-bg", "p-cpe:/a:debian:debian_linux:iceowl-l10n-bn-bd", "p-cpe:/a:debian:debian_linux:iceowl-l10n-br", "p-cpe:/a:debian:debian_linux:iceowl-l10n-ca", "p-cpe:/a:debian:debian_linux:iceowl-l10n-cs", "p-cpe:/a:debian:debian_linux:iceowl-l10n-cy", "p-cpe:/a:debian:debian_linux:iceowl-l10n-da", "p-cpe:/a:debian:debian_linux:iceowl-l10n-de", "p-cpe:/a:debian:debian_linux:iceowl-l10n-dsb", "p-cpe:/a:debian:debian_linux:iceowl-l10n-el", "p-cpe:/a:debian:debian_linux:iceowl-l10n-en-gb", "p-cpe:/a:debian:debian_linux:iceowl-l10n-es-ar", "p-cpe:/a:debian:debian_linux:iceowl-l10n-es-es", "p-cpe:/a:debian:debian_linux:iceowl-l10n-et", "p-cpe:/a:debian:debian_linux:iceowl-l10n-eu", "p-cpe:/a:debian:debian_linux:iceowl-l10n-fi", "p-cpe:/a:debian:debian_linux:iceowl-l10n-fr", "p-cpe:/a:debian:debian_linux:iceowl-l10n-fy-nl", "p-cpe:/a:debian:debian_linux:iceowl-l10n-ga-ie", "p-cpe:/a:debian:debian_linux:iceowl-l10n-gd", "p-cpe:/a:debian:debian_linux:iceowl-l10n-gl", "p-cpe:/a:debian:debian_linux:iceowl-l10n-he", "p-cpe:/a:debian:debian_linux:iceowl-l10n-hr", "p-cpe:/a:debian:debian_linux:iceowl-l10n-hsb", "p-cpe:/a:debian:debian_linux:iceowl-l10n-hu", "p-cpe:/a:debian:debian_linux:iceowl-l10n-hy-am", "p-cpe:/a:debian:debian_linux:iceowl-l10n-id", "p-cpe:/a:debian:debian_linux:iceowl-l10n-is", "p-cpe:/a:debian:debian_linux:iceowl-l10n-it", "p-cpe:/a:debian:debian_linux:iceowl-l10n-ja", "p-cpe:/a:debian:debian_linux:iceowl-l10n-kab", "p-cpe:/a:debian:debian_linux:iceowl-l10n-ko", "p-cpe:/a:debian:debian_linux:iceowl-l10n-lt", "p-cpe:/a:debian:debian_linux:iceowl-l10n-nb-no", "p-cpe:/a:debian:debian_linux:iceowl-l10n-nl", "p-cpe:/a:debian:debian_linux:iceowl-l10n-nn-no", "p-cpe:/a:debian:debian_linux:iceowl-l10n-pa-in", "p-cpe:/a:debian:debian_linux:iceowl-l10n-pl", "p-cpe:/a:debian:debian_linux:iceowl-l10n-pt-br", "p-cpe:/a:debian:debian_linux:iceowl-l10n-pt-pt", "p-cpe:/a:debian:debian_linux:iceowl-l10n-rm", "p-cpe:/a:debian:debian_linux:iceowl-l10n-ro", "p-cpe:/a:debian:debian_linux:iceowl-l10n-ru", "p-cpe:/a:debian:debian_linux:iceowl-l10n-si", "p-cpe:/a:debian:debian_linux:iceowl-l10n-sk", "p-cpe:/a:debian:debian_linux:iceowl-l10n-sl", "p-cpe:/a:debian:debian_linux:iceowl-l10n-sq", "p-cpe:/a:debian:debian_linux:iceowl-l10n-sr", "p-cpe:/a:debian:debian_linux:iceowl-l10n-sv-se", "p-cpe:/a:debian:debian_linux:iceowl-l10n-ta-lk", "p-cpe:/a:debian:debian_linux:iceowl-l10n-tr", "p-cpe:/a:debian:debian_linux:iceowl-l10n-uk", "p-cpe:/a:debian:debian_linux:iceowl-l10n-vi", "p-cpe:/a:debian:debian_linux:iceowl-l10n-zh-cn", "p-cpe:/a:debian:debian_linux:iceowl-l10n-zh-tw", "p-cpe:/a:debian:debian_linux:lightning", "p-cpe:/a:debian:debian_linux:lightning-l10n-ar", "p-cpe:/a:debian:debian_linux:lightning-l10n-ast", "p-cpe:/a:debian:debian_linux:lightning-l10n-be", "p-cpe:/a:debian:debian_linux:lightning-l10n-bg", "p-cpe:/a:debian:debian_linux:lightning-l10n-bn-bd", "p-cpe:/a:debian:debian_linux:lightning-l10n-br", "p-cpe:/a:debian:debian_linux:lightning-l10n-ca", "p-cpe:/a:debian:debian_linux:lightning-l10n-cs", "p-cpe:/a:debian:debian_linux:lightning-l10n-cy", "p-cpe:/a:debian:debian_linux:lightning-l10n-da", "p-cpe:/a:debian:debian_linux:lightning-l10n-de", "p-cpe:/a:debian:debian_linux:lightning-l10n-dsb", "p-cpe:/a:debian:debian_linux:lightning-l10n-el", "p-cpe:/a:debian:debian_linux:lightning-l10n-en-gb", "p-cpe:/a:debian:debian_linux:lightning-l10n-es-ar", "p-cpe:/a:debian:debian_linux:lightning-l10n-es-es", "p-cpe:/a:debian:debian_linux:lightning-l10n-et", "p-cpe:/a:debian:debian_linux:lightning-l10n-eu", "p-cpe:/a:debian:debian_linux:lightning-l10n-fi", "p-cpe:/a:debian:debian_linux:lightning-l10n-fr", "p-cpe:/a:debian:debian_linux:lightning-l10n-fy-nl", "p-cpe:/a:debian:debian_linux:lightning-l10n-ga-ie", "p-cpe:/a:debian:debian_linux:lightning-l10n-gd", "p-cpe:/a:debian:debian_linux:lightning-l10n-gl", "p-cpe:/a:debian:debian_linux:lightning-l10n-he", "p-cpe:/a:debian:debian_linux:lightning-l10n-hr", "p-cpe:/a:debian:debian_linux:lightning-l10n-hsb", "p-cpe:/a:debian:debian_linux:lightning-l10n-hu", "p-cpe:/a:debian:debian_linux:lightning-l10n-hy-am", "p-cpe:/a:debian:debian_linux:lightning-l10n-id", &q
CVE-2021-38503
