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CVE-2009-0887

Date: March 12, 2009

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.

Severity Score

Related Resources (12)

https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00398.html
http://secunia.com/advisories/34733
http://www.mandriva.com/security/advisories?name=MDVSA-2009:077
https://exchange.xforce.ibmcloud.com/vulnerabilities/49110
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00420.html
https://nvd.nist.gov/vuln/detail/CVE-2009-0887
https://people.canonical.com/~ubuntu-security/cve/CVE-2009-0887
http://openwall.com/lists/oss-security/2009/03/05/1
http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?r1=1.9&%3Br2=1.10&%3Bview=patch
http://www.securityfocus.com/bid/34010
http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/libpam/pam_misc.c?view=log
https://www.mend.io/vulnerability-database/CVE-2009-0887

Severity Score

Weakness Type (CWE)

Numeric Errors

CWE-189

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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