CVE-2023-31130

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C-ares only uses this function internally for configuration purposes which would require an administrator to configure such an address via ares_set_sortlist(). However, users may externally use ares_inet_net_pton() for other purposes and thus be vulnerable to more severe issues. This issue has been fixed in 1.19.1."}], "id": "CVE-2023-31130", "lastModified": "2026-06-17T05:56:20.050", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-31130", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-01-16T18:35:37.326640Z", "version": "2.0.3"}}]}, "published": "2023-05-25T22:15:09.760", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/c-ares/c-ares/security/advisories/GHSA-x6mf-cxr9-8q6v"}, {"source": "security-advisories@github.com", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00034.html"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202310-09"}, {"source": "security-advisories@github.com", "url": "https://security.netapp.com/advisory/ntap-20240605-0005/"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5419"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/c-ares/c-ares/security/advisories/GHSA-x6mf-cxr9-8q6v"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00034.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202310-09"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20240605-0005/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5419"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-124"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:4034", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nodejs:16-8080020230608150024.63b34585", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-07-12T00:00:00Z"}, {"advisory": "RHSA-2023:4035", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "nodejs:18-8080020230607122508.63b34585", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-07-12T00:00:00Z"}, {"advisory": "RHSA-2023:7207", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "c-ares-0:1.13.0-9.el8_9.1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2023:4033", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "nodejs:16-8060020230620060944.ad008a3a", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-07-12T00:00:00Z"}, {"advisory": "RHSA-2023:7392", "cpe": "cpe:/o:redhat:rhel_eus:8.6", "package": "c-ares-0:1.13.0-6.el8_6.2", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-11-21T00:00:00Z"}, {"advisory": "RHSA-2023:7543", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "c-ares-0:1.13.0-6.el8_8.3", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2023-11-28T00:00:00Z"}, {"advisory": "RHSA-2023:3577", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "nodejs:18-9020020230531092345.rhel9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-06-14T00:00:00Z"}, {"advisory": "RHSA-2023:3586", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "nodejs-1:16.19.1-2.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-06-14T00:00:00Z"}, {"advisory": "RHSA-2023:6635", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "c-ares-0:1.19.1-1.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}, {"advisory": "RHSA-2023:6635", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "c-ares-0:1.19.1-1.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}, {"advisory": "RHSA-2023:4036", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "nodejs-1:16.18.1-4.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-07-12T00:00:00Z"}, {"advisory": "RHSA-2023:4039", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-nodejs14-nodejs-0:14.21.3-4.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2023-07-12T00:00:00Z"}], "bugzilla": {"description": "c-ares: Buffer Underwrite in ares_inet_net_pton()", "id": "2209497", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2209497"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H", "status": "verified"}, "details": ["c-ares is an asynchronous resolver library. ares_inet_net_pton() is vulnerable to a buffer underflow for certain ipv6 addresses, in particular \"0::00:00:00/2\" was found to cause an issue. C-ares only uses this function internally for configuration purposes which would require an administrator to configure such an address via ares_set_sortlist(). However, users may externally use ares_inet_net_pton() for other purposes and thus be vulnerable to more severe issues. This issue has been fixed in 1.19.1.", "A vulnerability was found in c-ares. This issue occurs in the ares_inet_net_pton() function, which is vulnerable to a buffer underflow for certain ipv6 addresses. \"0::00:00:00/2\" in particular was found to cause an issue. C-ares only uses this function internally for configuration purposes, which would require an administrator to configure such an address via ares_set_sortlist()."], "name": "CVE-2023-31130", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "c-ares", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "c-ares", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2023-05-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-31130\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-31130\nhttps://github.com/c-ares/c-ares/security/advisories/GHSA-x6mf-cxr9-8q6v"], "threat_severity": "Moderate"}

{}