fkie_cve-2016-4574
Vulnerability from fkie_nvd
Published
2016-06-13 19:59
Modified
2025-04-12 10:46
Severity ?
Summary
Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
gnupg | libksba | * | |
canonical | ubuntu_linux | 12.04 | |
canonical | ubuntu_linux | 14.04 | |
canonical | ubuntu_linux | 15.10 | |
canonical | ubuntu_linux | 16.04 | |
opensuse | leap | 42.1 | |
opensuse | opensuse | 13.2 |
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:gnupg:libksba:*:*:*:*:*:*:*:*", "matchCriteriaId": "E1BF7460-5F06-41EC-9AD7-DDA16B71EF37", "versionEndIncluding": "1.3.3", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F", "vulnerable": true }, { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true }, { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355", "vulnerable": true }, { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*", "matchCriteriaId": "4863BE36-D16A-4D75-90D9-FD76DB5B48B7", "vulnerable": true }, { "criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*", "matchCriteriaId": "03117DF1-3BEC-4B8D-AD63-DBBDB2126081", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356." }, { "lang": "es", "value": "El error off-by-one en la funci\u00f3n append_utf8_value en el decodificador DN (dn.c) en Libksba en versiones anteriores a 1.3.4 permite a atacantes remotos provocar una ca\u00edda de servicio (lectura fuera de rango) a trav\u00e9s de una codificaci\u00f3n de la informaci\u00f3n utf-8. NOTA: esta vulnerabilidad existe debido a una reparaci\u00f3n incompleta de CVE-2016-4356." } ], "id": "CVE-2016-4574", "lastModified": "2025-04-12T10:46:40.837", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV30": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" }, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2016-06-13T19:59:09.957", "references": [ { "source": "cve@mitre.org", "url": "http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=6be61daac047d8e6aa941eb103f8e71a1d4e3c75" }, { "source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00087.html" }, { "source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html" }, { "source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2016/05/10/3" }, { "source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2016/05/10/4" }, { "source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-2982-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=6be61daac047d8e6aa941eb103f8e71a1d4e3c75" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00087.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2016/05/10/3" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2016/05/10/4" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2982-1" } ], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-189" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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