Simon Butcher reports:
When the truncated HMAC extension is enabled and CBC is used,
sending a malicious application packet can be used to selectively
corrupt 6 bytes on the peer's heap, potentially leading to a
crash or remote code execution. This can be triggered remotely
from either side in both TLS and DTLS.
When RSASSA-PSS signature verification is enabled, sending a
maliciously constructed certificate chain can be used to cause a
buffer overflow on the peer's stack, potentially leading to crash
or remote code execution. This can be triggered remotely from
either side in both TLS and DTLS.
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Fixed a heap corruption issue in the implementation of the truncated HMAC extension. When the truncated HMAC extension is enabled and CBC is used, sending a malicious application packet could be used to selectively corrupt 6 bytes on the peer's heap, which could potentially lead to crash or remote code execution. The issue could be triggered remotely from either side in both TLS and DTLS. (CVE-2018-0488) Fixed a buffer overflow in RSA-PSS verification when the hash was too large for the key size, which could potentially lead to crash or remote code execution. (CVE-2018-0487) \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2018-03-10T20:47:30", "type": "mageia", "title": "Updated mbedtls and related packages fix security vulnerabilities\n", "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-2018-0487", "CVE-2018-0488"], "modified": "2018-03-10T20:47:30", "id": "MGASA-2018-0163", "href": "https://advisories.mageia.org/MGASA-2018-0163.html", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "archlinux": [{"lastseen": "2023-06-04T14:50:36", "description": "Arch Linux Security Advisory ASA-201802-15\n==========================================\n\nSeverity: High\nDate : 2018-02-24\nCVE-ID : CVE-2018-0487 CVE-2018-0488\nPackage : mbedtls\nType : arbitrary code execution\nRemote : Yes\nLink : https://security.archlinux.org/AVG-617\n\nSummary\n=======\n\nThe package mbedtls before version 2.7.0-1 is vulnerable to arbitrary\ncode execution.\n\nResolution\n==========\n\nUpgrade to 2.7.0-1.\n\n# pacman -Syu \"mbedtls>=2.7.0-1\"\n\nThe problems have been fixed upstream in version 2.7.0.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2018-0487 (arbitrary code execution)\n\nARM mbed TLS before 2.7.0 allows remote attackers to execute arbitrary\ncode or cause a denial of service (buffer overflow) via a crafted\ncertificate chain that is mishandled during RSASSA-PSS signature\nverification within a TLS or DTLS session.\n\n- CVE-2018-0488 (arbitrary code execution)\n\nARM mbed TLS before 2.7.0, when the truncated HMAC extension and CBC\nare used, allows remote attackers to execute arbitrary code or cause a\ndenial of service (heap corruption) via a crafted application packet\nwithin a TLS or DTLS session.\n\nImpact\n======\n\nA remote attacker is able to execute arbitrary code on the affected\nhost.\n\nReferences\n==========\n\nhttps://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01\nhttps://security.archlinux.org/CVE-2018-0487\nhttps://security.archlinux.org/CVE-2018-0488", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2018-02-24T00:00:00", "type": "archlinux", "title": "[ASA-201802-15] mbedtls: arbitrary code execution", "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-2018-0487", "CVE-2018-0488"], "modified": "2018-02-24T00:00:00", "id": "ASA-201802-15", "href": "https://security.archlinux.org/ASA-201802-15", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "fedora": [{"lastseen": "2020-12-21T08:17:54", "description": "Mbed TLS is a light-weight open source cryptographic and SSL/TLS library written in C. 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"2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": true, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-18187", "CVE-2018-0487", "CVE-2018-0488"], "modified": "2018-02-28T16:44:37", "id": "FEDORA:3AB6B60BC457", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/AKMN7UZLKBSOCUV4EWAIPCXGZQQUJ4BX/", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "debian": [{"lastseen": "2021-10-21T21:34:12", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4138-1 security@debian.org\nhttps://www.debian.org/security/ Sebastien Delafond\nMarch 15, 2018 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : mbedtls\nCVE ID : CVE-2017-18187 CVE-2018-0487 CVE-2018-0488\nDebian Bug : 890287 890288\n\nSeveral vulnerabilities were discovered in mbed TLS, a lightweight\ncrypto and SSL/TLS library, that allowed a remote attacker to either\ncause a denial-of-service by application crash, or execute arbitrary\ncode.\n\nFor the stable distribution (stretch), these problems have been fixed in\nversion 2.4.2-1+deb9u2.\n\nWe recommend that you upgrade your mbedtls packages.\n\nFor the detailed security status of mbedtls please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/mbedtls\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": 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{"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-10-21T21:33:12", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4147-1 security@debian.org\nhttps://www.debian.org/security/ Sebastien Delafond\nMarch 21, 2018 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : polarssl\nCVE ID : CVE-2017-18187 CVE-2018-0487 CVE-2018-0488\nDebian Bug : 890287 890288\n\nSeveral vulnerabilities were discovered in PolarSSL, a lightweight\ncrypto and SSL/TLS library, that allowed a remote attacker to either\ncause a denial-of-service by application crash, or execute arbitrary\ncode.\n\nFor the oldstable distribution (jessie), these problems have been fixed\nin version 1.3.9-2.1+deb8u3.\n\nWe recommend that you upgrade your polarssl packages.\n\nFor the detailed security status of polarssl please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/polarssl\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-03-21T14:27:39", "type": "debian", "title": "[SECURITY] [DSA 4147-1] polarssl security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, 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"obtainUserPrivilege": false}, "cvelist": ["CVE-2017-18187", "CVE-2018-0487", "CVE-2018-0488"], "modified": "2018-03-21T14:27:39", "id": "DEBIAN:DSA-4147-1:DA684", "href": "https://lists.debian.org/debian-security-announce/2018/msg00073.html", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-05-02T15:48:43", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4138-1 security@debian.org\nhttps://www.debian.org/security/ Sebastien Delafond\nMarch 15, 2018 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : mbedtls\nCVE ID : CVE-2017-18187 CVE-2018-0487 CVE-2018-0488\nDebian Bug : 890287 890288\n\nSeveral vulnerabilities were discovered in mbed TLS, a lightweight\ncrypto and SSL/TLS library, that allowed a remote attacker to either\ncause a denial-of-service by application crash, or execute 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package(s).\");\n\n script_tag(name:\"solution_type\", value:\"VendorFix\");\n script_tag(name:\"qod_type\", value:\"package\");\n\n exit(0);\n}\n\ninclude(\"revisions-lib.inc\");\ninclude(\"pkg-lib-deb.inc\");\n\nrelease = dpkg_get_ssh_release();\nif(!release)\n exit(0);\n\nres = \"\";\nreport = \"\";\n\nif(release == \"UBUNTU16.04 LTS\") {\n\n if(!isnull(res = isdpkgvuln(pkg:\"libmbedcrypto0\", ver:\"2.2.1-2ubuntu0.3\", rls:\"UBUNTU16.04 LTS\"))) {\n report += res;\n }\n\n if(!isnull(res = isdpkgvuln(pkg:\"libmbedtls10\", ver:\"2.2.1-2ubuntu0.3\", rls:\"UBUNTU16.04 LTS\"))) {\n report += res;\n }\n\n if(!isnull(res = isdpkgvuln(pkg:\"libmbedx509-0\", ver:\"2.2.1-2ubuntu0.3\", rls:\"UBUNTU16.04 LTS\"))) {\n report += res;\n }\n\n if(report != \"\") {\n security_message(data:report);\n } else if(__pkg_match) {\n exit(99);\n }\n exit(0);\n}\n\nexit(0);", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "osv": [{"lastseen": "2022-08-10T07:13:06", "description": "\nSeveral vulnerabilities were discovered in PolarSSL, a lightweight\ncrypto and SSL/TLS library, that allowed a remote attacker to either\ncause a denial-of-service by application crash, or execute arbitrary\ncode.\n\n\nFor the oldstable distribution (jessie), these problems have been fixed\nin version 1.3.9-2.1+deb8u3.\n\n\nWe recommend that you upgrade your polarssl packages.\n\n\nFor the detailed security status of polarssl please refer to\nits security tracker page at:\n[\\\nhttps://security-tracker.debian.org/tracker/polarssl](https://security-tracker.debian.org/tracker/polarssl)\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-03-21T00:00:00", "type": "osv", "title": "polarssl - security update", "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"}, "acInsufInfo": true, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-0487", "CVE-2017-18187", "CVE-2018-0488"], "modified": "2022-08-10T07:13:02", "id": "OSV:DSA-4147-1", "href": "https://osv.dev/vulnerability/DSA-4147-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2022-07-21T08:24:09", "description": "\nSeveral vulnerabilities were discovered in mbed TLS, a lightweight\ncrypto and SSL/TLS library, that allowed a remote attacker to either\ncause a denial-of-service by application crash, or execute arbitrary\ncode.\n\n\nFor the stable distribution (stretch), these problems have been fixed in\nversion 2.4.2-1+deb9u2.\n\n\nWe recommend that you upgrade your mbedtls packages.\n\n\nFor the detailed security status of mbedtls please refer to\nits security tracker page at:\n[\\\nhttps://security-tracker.debian.org/tracker/mbedtls](https://security-tracker.debian.org/tracker/mbedtls)\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-03-15T00:00:00", "type": "osv", "title": "mbedtls - security update", "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"}, "acInsufInfo": true, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-0487", "CVE-2017-18187", "CVE-2018-0488"], "modified": "2022-07-21T05:49:47", "id": "OSV:DSA-4138-1", "href": "https://osv.dev/vulnerability/DSA-4138-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "gentoo": [{"lastseen": "2023-06-04T15:12:40", "description": "### Background\n\nmbed TLS (previously PolarSSL) is an \u201ceasy to understand, use, integrate and expand\u201d implementation of the TLS and SSL protocols and the respective cryptographic algorithms and support code required. \n\n### Description\n\nMultiple vulnerabilities have been discovered in mbed TLS. Please review the CVE identifiers referenced below for details. \n\n### Impact\n\nA remote attacker, through multiple vectors, could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition. \n\n### Workaround\n\nThere is no known workaround at this time.\n\n### Resolution\n\nAll mbed TLS users should upgrade to the latest version:\n \n \n # emerge --sync\n # emerge --ask --oneshot --verbose \">=net-libs/mbedtls-2.7.2\"", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2018-04-22T00:00:00", "type": "gentoo", "title": "mbed TLS: Multiple vulnerabilites", "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": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-18187", "CVE-2018-0487", "CVE-2018-0488"], "modified": "2018-04-22T00:00:00", "id": "GLSA-201804-19", "href": "https://security.gentoo.org/glsa/201804-19", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "cve": [{"lastseen": "2023-06-04T14:22:02", "description": "ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a crafted 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"confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2018-02-13T15:29:00", "type": "cve", "title": "CVE-2018-0488", "cwe": ["CWE-787"], "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-2018-0488"], "modified": "2020-08-24T17:37:00", "cpe": ["cpe:/o:debian:debian_linux:9.0", "cpe:/o:debian:debian_linux:8.0"], "id": "CVE-2018-0488", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-0488", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}, "cpe23": ["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"]}], "ubuntucve": [{"lastseen": "2023-06-04T13:59:36", "description": "ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote\nattackers to execute arbitrary code or cause a denial of service (buffer\noverflow) via a crafted certificate chain that is mishandled during\nRSASSA-PSS signature verification within a TLS or DTLS session.\n\n#### Bugs\n\n * <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=890288>\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2018-02-13T00:00:00", "type": "ubuntucve", "title": "CVE-2018-0487", "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-2018-0487"], "modified": "2018-02-13T00:00:00", "id": "UB:CVE-2018-0487", "href": "https://ubuntu.com/security/CVE-2018-0487", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-04T13:59:36", "description": "ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0, when the\ntruncated HMAC extension and CBC are used, allows remote attackers to\nexecute arbitrary code or cause a denial of service (heap corruption) via a\ncrafted application packet within a TLS or DTLS session.\n\n#### Bugs\n\n * <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=890287>\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2018-02-13T00:00:00", "type": "ubuntucve", "title": "CVE-2018-0488", "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-2018-0488"], "modified": "2018-02-13T00:00:00", "id": "UB:CVE-2018-0488", "href": "https://ubuntu.com/security/CVE-2018-0488", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "debiancve": [{"lastseen": "2023-06-04T14:57:53", "description": "ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a crafted certificate chain that is mishandled during 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"authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-0487"], "modified": "2018-02-13T15:29:00", "id": "DEBIANCVE:CVE-2018-0487", "href": "https://security-tracker.debian.org/tracker/CVE-2018-0487", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-04T14:57:53", "description": "ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0, when the truncated HMAC extension and CBC are used, allows remote attackers to execute arbitrary code or cause a denial of service (heap corruption) via a crafted application packet within a TLS or DTLS session.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": 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"2023-06-05T13:04:40", "description": "ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a crafted certificate chain that is mishandled during RSASSA-PSS signature verification within a TLS or DTLS session.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2023-06-05T13:03:37", "type": "alpinelinux", "title": "CVE-2018-0487", "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-2018-0487"], "modified": "2023-06-05T13:03:37", "id": "ALPINE:CVE-2018-0487", "href": "https://security.alpinelinux.org/vuln/CVE-2018-0487", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-05T13:04:40", "description": "ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0, when the truncated HMAC extension and CBC are used, allows remote attackers to execute arbitrary code or cause a denial of service (heap corruption) via a crafted application packet within a TLS or DTLS session.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2023-06-05T13:03:37", "type": "alpinelinux", "title": "CVE-2018-0488", "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-2018-0488"], "modified": "2023-06-05T13:03:37", "id": "ALPINE:CVE-2018-0488", "href": "https://security.alpinelinux.org/vuln/CVE-2018-0488", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "ubuntu": [{"lastseen": "2023-06-04T15:30:29", "description": "## Releases\n\n * Ubuntu 16.04 ESM\n\n## Packages\n\n * mbedtls \\- lightweight crypto and SSL/TLS library - crypto library\n\nIt was discovered that mbedtls has a bounds-check bypass through an integer \noverflow that can be used by an attacked to execute arbitrary code or cause a \ndenial of service. \n(CVE-2017-18187)\n\nIt was discovered that mbedtls has a vulnerability where an attacker could \nexecute arbitrary code or cause a denial of service (buffer overflow) \nvia a crafted certificate chain that is mishandled during RSASSA-PSS \nsignature verification within a TLS or DTLS session. \n(CVE-2018-0487)\n\nIt was discovered that mbedtls has a vulnerability where an attacker could \nexecute arbitrary code or cause a denial of service (heap corruption) via a \ncrafted application packet within a TLS or DTLS session. \n(CVE-2018-0488)\n\nIt was discovered that mbedtls has a vulnerability that allows remote \nattackers to achieve partial plaintext recovery (for a CBC based ciphersuite) \nvia a timing-based side-channel attack. \n(CVE-2018-0497)\n\nIt was discovered that mbedtls has a vulnerability that allows local users to \nachieve partial plaintext recovery (for a CBC based ciphersuite) via a \ncache-based side-channel attack. \n(CVE-2018-0498)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-02-05T00:00:00", "type": "ubuntu", "title": "ARM mbed TLS 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": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-18187", "CVE-2018-0487", "CVE-2018-0488", "CVE-2018-0497", "CVE-2018-0498"], "modified": "2020-02-05T00:00:00", "id": "USN-4267-1", "href": "https://ubuntu.com/security/notices/USN-4267-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}]}
mbed TLS (PolarSSL) -- remote code execution
