CVE-2009-0887

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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:linux-pam:linux-pam:*:*:*:*:*:*:*:*", "matchCriteriaId": "5C8DB56B-870D-45E3-8216-ADB47FD07B2D", "versionEndIncluding": "1.0.3", "vulnerable": true}, {"criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "B59C70C7-FABE-4A45-A45D-2C7276D698DF", "vulnerable": true}, {"criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "DBA50D8F-D5A8-4123-93CF-E7714571F411", "vulnerable": true}, {"criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "DB8820C0-1ECB-45AD-A573-5667F0D09776", "vulnerable": true}, {"criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "5D416053-0010-4B25-9F7C-6054C51C1685", "vulnerable": true}, {"criteria": 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"cpe:2.3:a:linux-pam:linux-pam:1.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "5F3ACA7F-D247-439C-8B5E-287EC5D236AF", "vulnerable": true}, {"criteria": "cpe:2.3:a:linux-pam:linux-pam:1.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "6A30E5C3-501D-4DAA-B7F7-E42F98DEDBF9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt."}, {"lang": "es", "value": "Error de presencia de signo en entero en la funci\u00f3n the_pam_StrTok en Linux-PAM (alias pam) 1.0.3 y anteriores, cuando un fichero de configuraci\u00f3n contienen nombres de usuario con caracteres non-ASCII, podr\u00eda permitir a los atacantes remoto causar una denegaci\u00f3n de servicios, y podr\u00eda permitir a usuarios remotos autenticados obtener login de acceso con un nombre de usuario diferente a los usuarios con caracteres non-ASCII, a trav\u00e9s de un intento de login."}], "id": "CVE-2009-0887", "lastModified": "2026-06-16T23:06:02.380", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 6.6, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 2.7, "impactScore": 10.0, "obtainAllPrivilege": true, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-03-12T15:20:50.127", "references": [{"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://openwall.com/lists/oss-security/2009/03/05/1"}, {"source": "cve@mitre.org", "url": "http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?r1=1.9&amp%3Br2=1.10&amp%3Bview=patch"}, {"source": "cve@mitre.org", "url": "http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?view=log"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/34733"}, {"source": "cve@mitre.org", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:077"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/34010"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/49110"}, {"source": "cve@mitre.org", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00398.html"}, {"source": "cve@mitre.org", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00420.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://openwall.com/lists/oss-security/2009/03/05/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?r1=1.9&amp%3Br2=1.10&amp%3Bview=patch"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?view=log"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/34733"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:077"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/34010"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/49110"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00398.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00420.html"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "Red Hat is aware of this issue and is tracking it via the following bug:\nhttps://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2009-0887\n\nThe Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here: http://www.redhat.com/security/updates/classification/\n", "lastModified": "2009-03-13T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "pam: integer signedness error in _pam_StrTok()", "id": "489932", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=489932"}, "csaw": false, "details": ["Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt."], "name": "CVE-2009-0887", "public_date": "2009-02-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-0887"], "statement": "Red Hat does not consider this issue to be a security vulnerability. Affected function is only used to parse PAM configuration files and this bug can only be triggered by specific configuration created by the system administrator.", "threat_severity": "Low"}

{}