CVE-2021-3657

{"id": "CVE-2021-3657", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2022-02-18T18:15:09.603", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2028932", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "patrick@puiterwijk.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2022/07/msg00001.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "patrick@puiterwijk.org"}, {"url": "https://security.gentoo.org/glsa/202208-15", "tags": ["Third Party Advisory"], "source": "patrick@puiterwijk.org"}, {"url": "https://www.openwall.com/lists/oss-security/2021/12/03/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "patrick@puiterwijk.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}, {"type": "Secondary", "source": "patrick@puiterwijk.org", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in mbsync versions prior to 1.4.4. Due to inadequate handling of extremely large (>=2GiB) IMAP literals, malicious or compromised IMAP servers, and hypothetically even external email senders, could cause several different buffer overflows, which could conceivably be exploited for remote code execution."}, {"lang": "es", "value": "Se ha encontrado un fallo en mbsync versiones anteriores a 1.4.4. Debido al manejo inapropiado de literales IMAP extremadamente grandes ()=2GiB), los servidores IMAP maliciosos o comprometidos, e hipot\u00e9ticamente incluso los remitentes de correo electr\u00f3nico externos, podr\u00edan causar varios desbordamientos de b\u00fafer diferentes, que podr\u00edan ser explotados para una ejecuci\u00f3n de c\u00f3digo remota"}], "lastModified": "2022-12-21T15:01:19.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:isync_project:isync:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EBCC36DB-990B-4BD1-B565-1C4C66F193BD", "versionEndExcluding": "1.4.4"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}], "sourceIdentifier": "patrick@puiterwijk.org"}