CVE-2021-44568

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:opensuse:libsolv:*:*:*:*:*:*:*:*", "matchCriteriaId": "C7DA98F7-E498-4C89-94F6-4A18D7BC2916", "versionEndExcluding": "0.7.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service."}, {"lang": "es", "value": "Se presentan dos vulnerabilidades de desbordamiento de pila en openSUSE/libsolv libsolv versiones hasta el 13 de diciembre de 2020 en la variable decisionmap por medio de la funci\u00f3n resolve_dependencies en src/solver.c (l\u00ednea 1940 y l\u00ednea 1995), que podr\u00eda causar una denegaci\u00f3n de servicio remota"}], "id": "CVE-2021-44568", "lastModified": "2026-06-17T04:12:34.383", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-02-21T18:15:08.553", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/openSUSE/libsolv/issues/425"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/openSUSE/libsolv/issues/425"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:5498", "cpe": "cpe:/a:redhat:satellite:6.11::el7", "package": "libsolv-0:0.7.22-1.el7pc", "product_name": "Red Hat Satellite 6.11 for RHEL 7", "release_date": "2022-07-05T00:00:00Z"}, {"advisory": "RHSA-2022:5498", "cpe": "cpe:/a:redhat:satellite_capsule:6.11::el7", "package": "libsolv-0:0.7.22-1.el7pc", "product_name": "Red Hat Satellite 6.11 for RHEL 7", "release_date": "2022-07-05T00:00:00Z"}, {"advisory": "RHSA-2022:5498", "cpe": "cpe:/a:redhat:satellite:6.11::el8", "package": "libsolv-0:0.7.22-1.el8pc", "product_name": "Red Hat Satellite 6.11 for RHEL 8", "release_date": "2022-07-05T00:00:00Z"}, {"advisory": "RHSA-2022:5498", "cpe": "cpe:/a:redhat:satellite_capsule:6.11::el8", "package": "libsolv-0:0.7.22-1.el8pc", "product_name": "Red Hat Satellite 6.11 for RHEL 8", "release_date": "2022-07-05T00:00:00Z"}], "bugzilla": {"description": "libsolv: heap-overflows in resolve_dependencies function", "id": "2057178", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2057178"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:H", "status": "verified"}, "cwe": "CWE-125", "details": ["Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.", "A buffer over-read flaw was found in the test case reader in libsolv that created multiple out-of-bounds read symptoms. Depending on how client applications use libsolv, this flaw leads to a denial of service of the application if an attacker can supply crafted input to the test case reader."], "name": "CVE-2021-44568", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libsolv", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libsolv", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "libsolv", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:rhui:3", "fix_state": "Will not fix", "package_name": "libsolv", "product_name": "Red Hat Update Infrastructure 3 for Cloud Providers"}], "public_date": "2022-02-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-44568\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-44568"], "statement": "This flaw has been marked as Low impact because it is in the test case reader and is an out-of-bounds read.\nThis issue is related to already fixed issue (https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec) that is part of libsolv-0.7.17. \nRHEL-8.6.z and above, and RHEL-9 ships versions of libsolv greater than 0.7.17. Hence, as the flaw is having LOW security impact, Red Hat Enterprise Linux - 8, 9 are set to not affected. However, RHEL-8 streams that ships libsolv versions prior to 0.7.17 are still affected. \nFor additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/ and Red Hat Enterprise Linux Life Cycle & Updates Policy: https://access.redhat.com/support/policy/updates/errata/.", "threat_severity": "Low"}

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