Description
Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups, supports non-blocking DNS lookups, and implements negative caching of failed requests. Squid consists of a main server program squid, a Domain Name System lookup program (dnsserver), a program for retrieving FTP data (ftpget), and some management and client tools.
Affected Package
Related
{"id": "FEDORA:DBE703053060", "vendorId": null, "type": "fedora", "bulletinFamily": "unix", "title": "[SECURITY] Fedora 35 Update: squid-5.6-1.fc35", "description": "Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups, supports non-blocking DNS lookups, and implements negative caching of failed requests. Squid consists of a main server program squid, a Domain Name System lookup program (dnsserver), a program for retrieving FTP data (ftpget), and some management and client tools. ", "published": "2022-07-06T01:54:18", "modified": "2022-07-06T01:54:18", "epss": [{"cve": "CVE-2021-46784", "epss": 0.00675, "percentile": 0.77236, "modified": "2023-08-11"}], "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.0}, "severity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM"}, "exploitabilityScore": 2.8, "impactScore": 3.6}, "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/LOLN4MGXRVZBILWU4QBYGEUZOO24VTUN/", "reporter": "Fedora", "references": [], "cvelist": ["CVE-2021-46784"], "immutableFields": [], "lastseen": "2023-08-11T22:46:54", "viewCount": 9, "enchantments": {"score": {"value": -0.1, "vector": "NONE"}, "dependencies": {"references": [{"type": "almalinux", "idList": ["ALSA-2022:5526", "ALSA-2022:5527"]}, {"type": "amazon", "idList": ["ALAS-2023-1677", "ALAS2-2023-1907"]}, {"type": "centos", "idList": ["CESA-2022:5542"]}, {"type": "cve", "idList": ["CVE-2021-46784"]}, {"type": "debian", "idList": ["DEBIAN:DSA-5171-1:89438"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2021-46784"]}, {"type": "fedora", "idList": ["FEDORA:0CACA3058385"]}, {"type": "mageia", "idList": ["MGASA-2022-0249"]}, {"type": "nessus", "idList": ["AL2_ALAS-2023-1907.NASL", "ALA_ALAS-2023-1677.NASL", "ALMA_LINUX_ALSA-2022-5526.NASL", "ALMA_LINUX_ALSA-2022-5527.NASL", "CENTOS8_RHSA-2022-5526.NASL", "CENTOS_RHSA-2022-5542.NASL", "DEBIAN_DSA-5171.NASL", "EULEROS_SA-2022-2481.NASL", "EULEROS_SA-2022-2636.NASL", "ORACLELINUX_ELSA-2022-5526.NASL", "ORACLELINUX_ELSA-2022-5527.NASL", "ORACLELINUX_ELSA-2022-5542.NASL", "ORACLELINUX_ELSA-2023-16656.NASL", "REDHAT-RHSA-2022-5526.NASL", "REDHAT-RHSA-2022-5527.NASL", "REDHAT-RHSA-2022-5528.NASL", "REDHAT-RHSA-2022-5529.NASL", "REDHAT-RHSA-2022-5530.NASL", "REDHAT-RHSA-2022-5542.NASL", "SL_20220801_SQUID_ON_SL7_X.NASL", "SUSE_SU-2022-2359-1.NASL", "SUSE_SU-2022-2367-1.NASL", "SUSE_SU-2022-2392-1.NASL", "SUSE_SU-2022-2553-1.NASL", "UBUNTU_USN-5491-1.NASL"]}, {"type": "oraclelinux", "idList": ["ELSA-2022-5526", "ELSA-2022-5527", "ELSA-2022-5542", "ELSA-2023-16656"]}, {"type": "osv", "idList": ["OSV:DSA-5171-1"]}, {"type": "photon", "idList": ["PHSA-2022-0224", "PHSA-2022-3.0-0433", "PHSA-2022-4.0-0224"]}, {"type": "redhat", "idList": ["RHSA-2022:5526", "RHSA-2022:5527", "RHSA-2022:5528", "RHSA-2022:5529", "RHSA-2022:5530", "RHSA-2022:5542", "RHSA-2022:6252"]}, {"type": "redhatcve", "idList": ["RH:CVE-2021-46784"]}, {"type": "redos", "idList": ["ROS-20220628-03"]}, {"type": "rocky", "idList": ["RLSA-2022:5526"]}, {"type": "suse", "idList": ["SUSE-SU-2022:2359-1", "SUSE-SU-2022:2553-1"]}, {"type": "ubuntu", "idList": ["USN-5491-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2021-46784"]}, {"type": "veracode", "idList": ["VERACODE:36097"]}]}, "epss": [{"cve": "CVE-2021-46784", "epss": 0.00566, "percentile": 0.74513, "modified": "2023-05-02"}], "vulnersScore": -0.1}, "_state": {"score": 1691794207, "dependencies": 1691794251, "epss": 0}, "_internal": {"score_hash": "4eae9f452839973243ee6e59e6b89a63"}, "affectedPackage": [{"OS": "Fedora", "OSVersion": "35", "arch": "any", "packageVersion": "5.6", "packageFilename": "UNKNOWN", "operator": "lt", "packageName": "squid"}]}
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CVE-2021-46784: Fixed DoS when processing gopher server responses.\n (bsc#1200907)\n - CVE-2021-33620: Fixed DoS in HTTP Response processing (bsc#1185923,\n bsc#1186654)\n\n\nPatch Instructions:\n\n To install this SUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2022-2553=1\n\n - SUSE Manager Server 4.1:\n\n zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.1-2022-2553=1\n\n - SUSE Manager Retail Branch Server 4.1:\n\n zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.1-2022-2553=1\n\n - SUSE Manager Proxy 4.1:\n\n zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.1-2022-2553=1\n\n - SUSE Linux Enterprise Server for SAP 15-SP2:\n\n zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2022-2553=1\n\n - SUSE Linux Enterprise Server for SAP 15-SP1:\n\n zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2022-2553=1\n\n - SUSE Linux Enterprise Server for SAP 15:\n\n zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2022-2553=1\n\n - SUSE Linux Enterprise Server 15-SP2-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2022-2553=1\n\n - SUSE Linux Enterprise Server 15-SP2-BCL:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-BCL-2022-2553=1\n\n - SUSE Linux Enterprise Server 15-SP1-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2022-2553=1\n\n - SUSE Linux Enterprise Server 15-SP1-BCL:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2022-2553=1\n\n - SUSE Linux Enterprise Server 15-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-2022-2553=1\n\n - SUSE Linux Enterprise Module for Server Applications 15-SP3:\n\n zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-2553=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2022-2553=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-ESPOS-2022-2553=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2022-2553=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2022-2553=1\n\n - SUSE Linux Enterprise High Performance Computing 15-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-2022-2553=1\n\n - SUSE Linux Enterprise High Performance Computing 15-ESPOS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-2022-2553=1\n\n - SUSE Enterprise Storage 7:\n\n zypper in -t patch SUSE-Storage-7-2022-2553=1\n\n - SUSE Enterprise Storage 6:\n\n zypper in -t patch SUSE-Storage-6-2022-2553=1\n\n - SUSE CaaS Platform 4.0:\n\n To install this update, use the SUSE CaaS Platform 'skuba' tool. It\n will inform you if it detects new updates and let you then trigger\n updating of the complete cluster in a controlled way.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-26T00:00:00", "type": "suse", "title": "Security update for squid (important)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33620", "CVE-2021-46784"], "modified": "2022-07-26T00:00:00", "id": "SUSE-SU-2022:2553-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/M2J5I4SMKZ66BAR36QD4HWFIOUHNJQEY/", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}], "cve": [{"lastseen": "2023-08-11T22:26:51", "description": "In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-17T22:15:00", "type": "cve", "title": "CVE-2021-46784", "cwe": ["CWE-617"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784"], "modified": "2023-08-08T14:22:00", "cpe": ["cpe:/a:squid-cache:squid:4.17", "cpe:/o:debian:debian_linux:10.0", "cpe:/a:squid-cache:squid:3.5.28", "cpe:/o:debian:debian_linux:12.0", "cpe:/o:debian:debian_linux:11.0"], "id": "CVE-2021-46784", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-46784", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}, "cpe23": ["cpe:2.3:a:squid-cache:squid:3.5.28:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:4.17:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*"]}], "almalinux": [{"lastseen": "2023-09-07T18:26:47", "description": "Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\nSecurity Fix(es):\n* squid: DoS when processing gopher server responses (CVE-2021-46784)\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-07T00:00:00", "type": "almalinux", "title": "Important: squid security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784"], "modified": "2022-07-21T17:04:12", "id": "ALSA-2022:5527", "href": "https://errata.almalinux.org/9/ALSA-2022-5527.html", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2023-09-22T21:09:18", "description": "Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\nSecurity Fix(es):\n* squid: DoS when processing gopher server responses (CVE-2021-46784)\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-07T00:00:00", "type": "almalinux", "title": "Important: squid:4 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784"], "modified": "2022-07-21T17:07:17", "id": "ALSA-2022:5526", "href": "https://errata.almalinux.org/8/ALSA-2022-5526.html", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}], "redos": [{"lastseen": "2023-09-08T14:38:19", "description": "A vulnerability in the Squid caching proxy server is related to assertion reachability when processing responses to the\r\n from the Gopher server. Exploitation of the vulnerability could allow an attacker acting remotely to send a specially crafted response to the proxy server and perform a denial of service (DoS) attack.\r\n a specially crafted response to the proxy server and perform a denial of service (DoS) attack", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-06-28T00:00:00", "type": "redos", "title": "ROS-20220628-03", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784"], "modified": "2022-06-28T00:00:00", "id": "ROS-20220628-03", "href": "https://redos.red-soft.ru/support/secure/uyazvimosti/uyazvimost-squid-cve-2021-46784/", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}], "fedora": [{"lastseen": "2023-08-11T22:46:54", "description": "Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups, supports non-blocking DNS lookups, and implements negative caching of failed requests. Squid consists of a main server program squid, a Domain Name System lookup program (dnsserver), a program for retrieving FTP data (ftpget), and some management and client tools. ", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-06T01:38:17", "type": "fedora", "title": "[SECURITY] Fedora 36 Update: squid-5.6-1.fc36", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784"], "modified": "2022-07-06T01:38:17", "id": "FEDORA:0CACA3058385", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/JOECTLC2R54WANRAT4YZV4ODWB7NYCFT/", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}], "prion": [{"lastseen": "2023-08-16T08:31:14", "description": "In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-17T22:15:00", "type": "prion", "title": "CVE-2021-46784", "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784"], "modified": "2023-08-08T14:22:00", "id": "PRION:CVE-2021-46784", "href": "https://kb.prio-n.com/vulnerability/CVE-2021-46784", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}], "debiancve": [{"lastseen": "2023-08-11T22:51:12", "description": "In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-17T22:15:00", "type": "debiancve", "title": "CVE-2021-46784", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784"], "modified": "2022-07-17T22:15:00", "id": "DEBIANCVE:CVE-2021-46784", "href": "https://security-tracker.debian.org/tracker/CVE-2021-46784", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}], "redhatcve": [{"lastseen": "2023-08-11T23:32:51", "description": "A vulnerability was found in squid (Web proxy cache server). This issue occurs due to improper buffer management while processing Gopher server responses. This flaw leads to a remote denial of service or a crash if it receives specially crafted network traffic, either by mistake or a malicious actor.\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-06-24T06:05:32", "type": "redhatcve", "title": "CVE-2021-46784", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784"], "modified": "2023-05-30T13:58:02", "id": "RH:CVE-2021-46784", "href": "https://access.redhat.com/security/cve/cve-2021-46784", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}], "oraclelinux": [{"lastseen": "2022-08-11T20:40:26", "description": "[7:5.2-1.1]\n- Resolves: #2100784 - CVE-2021-46784 squid: DoS when processing gopher server\n responses", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-07T00:00:00", "type": "oraclelinux", "title": "squid security update", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2021-46784"], "modified": "2022-07-07T00:00:00", "id": "ELSA-2022-5527", "href": "http://linux.oracle.com/errata/ELSA-2022-5527.html", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-08-11T23:10:14", "description": "[7:4.15-3.0.3.1]\n- Add libtool-ltdl to squid Requires: [Orabug: 34992040]\n[ - 7:4.15-3.0.1.1]\n- Obsolete squid-sysvinit [Jira: OLDIS-20090]\n[7:4.15-3.1]\n- Resolves: #2100782 - CVE-2021-46784 squid:4/squid: DoS when processing gopher\n server responses\n[7:4.15-3]\n- Resolves: #1941506 - CVE-2021-28116 squid:4/squid: out-of-bounds read in WCCP\n protocol data may lead to information disclosure\n[7:4.15-2]\n- Resolves: #2006121 - SQUID shortens FTP Link wrong that contains a semi-colon\n and as a result is not able to download zip file.CODE 404 TO CLIENT)\n[7:4.15-1]\n- new version 4.15\n- Resolves: #1964384 - squid:4 rebase to 4.15\n[7:4.11-5]\n- Resolves: #1944261 - CVE-2020-25097 squid:4/squid: improper input validation\n may allow a trusted client to perform HTTP Request Smuggling\n[7:4.11-4]\n- Resolves: #1890606 - Fix for CVE 2019-13345 breaks authentication in\n cachemgr.cgi", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2023-02-15T00:00:00", "type": "oraclelinux", "title": "squid security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784"], "modified": "2023-02-15T00:00:00", "id": "ELSA-2023-16656", "href": "http://linux.oracle.com/errata/ELSA-2023-16656.html", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-07-27T20:14:28", "description": "squid\n[7:4.15-3.1]\n- Resolves: #2100782 - CVE-2021-46784 squid:4/squid: DoS when processing gopher\n server responses", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-08T00:00:00", "type": "oraclelinux", "title": "squid:4 security update", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2021-46784"], "modified": "2022-07-08T00:00:00", "id": "ELSA-2022-5526", "href": "http://linux.oracle.com/errata/ELSA-2022-5526.html", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2022-07-27T20:14:24", "description": "[7:3.5.20-17.0.1]\n- Mutiple CVE fixes for squid [Orabug: 33146289]\n- Resolves: CVE-2021-28651 squid: Bug 5104: Memory leak in RFC 2169 response parsing (#778)\n- Resolves: CVE-2021-28652 squid: Bug 5106: Broken cache manager URL parsing (#788)\n- Resolves: CVE-2021-31806,31807,31808 squid: Handle more Range requests (#790)\n- Resolves: CVE-2021-33620 squid: Handle more partial responses (#791)\n[7:3.5.20-17.7]\n- Resolves: #2100778 - CVE-2021-46784 squid: DoS when processing gopher server\n responses\n[7:3.5.20-17.6]\n- Resolves: #1944256 - CVE-2020-25097 squid: improper input validation may allow\n a trusted client to perform HTTP Request Smuggling\n[7:3.5.20-17.5]\n- Resolves: #1890581 - Fix for CVE 2019-13345 breaks authentication in\n cachemgr.cgi\n[7:3.5.20-17.4]\n- Resolves: #1872349 - CVE-2020-24606 squid: Improper Input Validation could\n result in a DoS\n- Resolves: #1872327 - CVE-2020-15810 squid: HTTP Request Smuggling could\n result in cache poisoning\n- Resolves: #1872342 - CVE-2020-15811 squid: HTTP Request Splitting could\n result in cache poisoning\n[7:3.5.20-17.2]\n- Resolves: #1802516 - CVE-2020-8449 squid: Improper input validation issues\n in HTTP Request processing\n- Resolves: #1802515 - CVE-2020-8450 squid: Buffer overflow in a Squid acting\n as reverse-proxy\n- Resolves: #1853129 - CVE-2020-15049 squid: request smuggling and poisoning\n attack against the HTTP cache\n- Resolves: #1802517 - CVE-2019-12528 squid: Information Disclosure issue in\n FTP Gateway", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-12T00:00:00", "type": "oraclelinux", "title": "squid security update", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2021-46784"], "modified": "2022-07-12T00:00:00", "id": "ELSA-2022-5542", "href": "http://linux.oracle.com/errata/ELSA-2022-5542.html", "cvss": {"score": 0.0, "vector": "NONE"}}], "centos": [{"lastseen": "2023-09-07T13:39:21", "description": "**CentOS Errata and Security Advisory** CESA-2022:5542\n\n\nSquid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nSecurity Fix(es):\n\n* squid: DoS when processing gopher server responses (CVE-2021-46784)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\n**Merged security bulletin from advisories:**\nhttps://lists.centos.org/pipermail/centos-announce/2022-August/086287.html\n\n**Affected packages:**\nsquid\nsquid-migration-script\nsquid-sysvinit\n\n**Upstream details at:**\nhttps://access.redhat.com/errata/RHSA-2022:5542", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-08-02T19:14:45", "type": "centos", "title": "squid security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784"], "modified": "2022-08-02T19:14:45", "id": "CESA-2022:5542", "href": "https://lists.centos.org/pipermail/centos-announce/2022-August/086287.html", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}], "ubuntucve": [{"lastseen": "2023-08-12T16:10:29", "description": "In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to\nimproper buffer management, a Denial of Service can occur when processing\nlong Gopher server responses.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-12-31T00:00:00", "type": "ubuntucve", "title": "CVE-2021-46784", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784"], "modified": "2021-12-31T00:00:00", "id": "UB:CVE-2021-46784", "href": "https://ubuntu.com/security/CVE-2021-46784", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}], "veracode": [{"lastseen": "2023-05-24T14:12:26", "description": "squid is vulnerable to denial of service attacks. The vulnerability exists via `Gopher Processing` component which allows an attacker to cause an application crash. \n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-06-23T19:20:43", "type": "veracode", "title": "Denial Of Service (DoS)", "bulletinFamily": "software", "cvss2": {}, "cvelist": ["CVE-2021-46784"], "modified": "2023-01-19T21:41:05", "id": "VERACODE:36097", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-36097/summary", "cvss": {"score": 0.0, "vector": "NONE"}}], "rocky": [{"lastseen": "2023-08-11T23:24:57", "description": "An update is available for squid, libecap.\nThis update affects Rocky Linux 8.\nA Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list\nSquid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nSecurity Fix(es):\n\n* squid: DoS when processing gopher server responses (CVE-2021-46784)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-07T10:38:38", "type": "rocky", "title": "squid:4 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784"], "modified": "2022-07-07T10:38:38", "id": "RLSA-2022:5526", "href": "https://errata.rockylinux.org/RLSA-2022:5526", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}], "photon": [{"lastseen": "2022-08-12T05:44:10", "description": "Updates of ['squid', 'libtirpc'] packages of Photon OS have been released.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-08-06T00:00:00", "type": "photon", "title": "Important Photon OS Security Update - PHSA-2022-0224", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2021-46784", "CVE-2021-46828"], "modified": "2022-08-06T00:00:00", "id": "PHSA-2022-0224", "href": "https://github.com/vmware/photon/wiki/Security-Update-4.0-224", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-09-23T06:23:37", "description": "Updates of ['squid', 'libtirpc'] packages of Photon OS have been released.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-08-06T00:00:00", "type": "photon", "title": "Important Photon OS Security Update - PHSA-2022-4.0-0224", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784", "CVE-2021-46828"], "modified": "2022-08-06T00:00:00", "id": "PHSA-2022-4.0-0224", "href": "https://github.com/vmware/photon/wiki/Security-Update-4.0-224", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-09-25T12:35:05", "description": "Updates of ['python3', 'linux-aws', 'linux-esx', 'squid', 'linux-rt', 'linux-secure', 'linux'] packages of Photon OS have been released.\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-08-11T00:00:00", "type": "photon", "title": "Moderate Photon OS Security Update - PHSA-2022-3.0-0433", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-3733", "CVE-2021-46784", "CVE-2022-2586", "CVE-2022-2588"], "modified": "2022-08-11T00:00:00", "id": "PHSA-2022-3.0-0433", "href": "https://github.com/vmware/photon/wiki/Security-Update-3.0-433", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}], "amazon": [{"lastseen": "2023-08-17T06:57:46", "description": "**Issue Overview:**\n\nIn Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses. (CVE-2021-46784)\n\nA flaw was found in Squid. An incorrect integer overflow protection in the Squid SSPI and SMB authentication helpers is vulnerable to a buffer overflow attack, resulting in information disclosure or a denial of service. (CVE-2022-41318)\n\n \n**Affected Packages:** \n\n\nsquid\n\n \n**Issue Correction:** \nRun _yum update squid_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n aarch64: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.amzn2.7.1.aarch64 \n \u00a0\u00a0\u00a0 squid-sysvinit-3.5.20-17.amzn2.7.1.aarch64 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-17.amzn2.7.1.aarch64 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-17.amzn2.7.1.aarch64 \n \n i686: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.amzn2.7.1.i686 \n \u00a0\u00a0\u00a0 squid-sysvinit-3.5.20-17.amzn2.7.1.i686 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-17.amzn2.7.1.i686 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-17.amzn2.7.1.i686 \n \n src: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.amzn2.7.1.src \n \n x86_64: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.amzn2.7.1.x86_64 \n \u00a0\u00a0\u00a0 squid-sysvinit-3.5.20-17.amzn2.7.1.x86_64 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-17.amzn2.7.1.x86_64 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-17.amzn2.7.1.x86_64 \n \n \n\n### Additional References\n\nRed Hat: [CVE-2021-46784](<https://access.redhat.com/security/cve/CVE-2021-46784>), [CVE-2022-41318](<https://access.redhat.com/security/cve/CVE-2022-41318>)\n\nMitre: [CVE-2021-46784](<https://vulners.com/cve/CVE-2021-46784>), [CVE-2022-41318](<https://vulners.com/cve/CVE-2022-41318>)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 8.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2023-01-18T00:16:00", "type": "amazon", "title": "Important: squid", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784", "CVE-2022-41318"], "modified": "2023-01-20T23:30:00", "id": "ALAS2-2023-1907", "href": "https://alas.aws.amazon.com/AL2/ALAS-2023-1907.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-08-17T05:27:27", "description": "**Issue Overview:**\n\nIn Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses. (CVE-2021-46784)\n\nA flaw was found in Squid. An incorrect integer overflow protection in the Squid SSPI and SMB authentication helpers is vulnerable to a buffer overflow attack, resulting in information disclosure or a denial of service. (CVE-2022-41318)\n\n \n**Affected Packages:** \n\n\nsquid\n\n \n**Issue Correction:** \nRun _yum update squid_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n i686: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.43.amzn1.i686 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-17.43.amzn1.i686 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-17.43.amzn1.i686 \n \n src: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.43.amzn1.src \n \n x86_64: \n \u00a0\u00a0\u00a0 squid-3.5.20-17.43.amzn1.x86_64 \n \u00a0\u00a0\u00a0 squid-migration-script-3.5.20-17.43.amzn1.x86_64 \n \u00a0\u00a0\u00a0 squid-debuginfo-3.5.20-17.43.amzn1.x86_64 \n \n \n\n### Additional References\n\nRed Hat: [CVE-2021-46784](<https://access.redhat.com/security/cve/CVE-2021-46784>), [CVE-2022-41318](<https://access.redhat.com/security/cve/CVE-2022-41318>)\n\nMitre: [CVE-2021-46784](<https://vulners.com/cve/CVE-2021-46784>), [CVE-2022-41318](<https://vulners.com/cve/CVE-2022-41318>)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 8.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2023-01-31T20:44:00", "type": "amazon", "title": "Important: squid", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-46784", "CVE-2022-41318"], "modified": "2023-02-04T18:15:00", "id": "ALAS-2023-1677", "href": "https://alas.aws.amazon.com/ALAS-2023-1677.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}], "debian": [{"lastseen": "2023-08-18T15:17:37", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-5171-1 security@debian.org\nhttps://www.debian.org/security/ Moritz Muehlenhoff\nJune 27, 2022 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : squid\nCVE ID : CVE-2021-28116 CVE-2021-46784\n\nMultiple security issues were discovered in the Squid proxy caching\nserver:\n\nCVE-2021-28116\n\n Amos Jeffries discovered an information leak if WCCPv2 is enabled\n\nCVE-2021-46784\n\n Joshua Rogers discovered that an error in parsing Gopher server\n responses may result in denial of service\n\n\nFor the oldstable distribution (buster), these problems have been fixed\nin version 4.6-1+deb10u7.\n\nFor the stable distribution (bullseye), these problems have been fixed in\nversion 4.13-10+deb11u1.\n\nWe recommend that you upgrade your squid packages.\n\nFor the detailed security status of squid please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/squid\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": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-06-27T18:45:27", "type": "debian", "title": "[SECURITY] [DSA 5171-1] squid security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28116", "CVE-2021-46784"], "modified": "2022-06-27T18:45:27", "id": "DEBIAN:DSA-5171-1:89438", "href": "https://lists.debian.org/debian-security-announce/2022/msg00139.html", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N"}}], "osv": [{"lastseen": "2022-08-10T07:21:00", "description": "\nMultiple security issues were discovered in the Squid proxy caching\nserver:\n\n\n* [CVE-2021-28116](https://security-tracker.debian.org/tracker/CVE-2021-28116)\nAmos Jeffries discovered an information leak if WCCPv2 is enabled\n* [CVE-2021-46784](https://security-tracker.debian.org/tracker/CVE-2021-46784)\nJoshua Rogers discovered that an error in parsing Gopher server\n responses may result in denial of service\n\n\nFor the oldstable distribution (buster), these problems have been fixed\nin version 4.6-1+deb10u7.\n\n\nFor the stable distribution (bullseye), these problems have been fixed in\nversion 4.13-10+deb11u1.\n\n\nWe recommend that you upgrade your squid packages.\n\n\nFor the detailed security status of squid please refer to\nits security tracker page at:\n[\\\nhttps://security-tracker.debian.org/tracker/squid](https://security-tracker.debian.org/tracker/squid)\n\n\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 6.5, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2022-06-27T00:00:00", "type": "osv", "title": "squid - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28116", "CVE-2021-46784"], "modified": "2022-08-10T07:20:58", "id": "OSV:DSA-5171-1", "href": "https://osv.dev/vulnerability/DSA-5171-1", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N"}}]}
[SECURITY] Fedora 35 Update: squid-5.6-1.fc35
