6.6med

CVE-2009-0887

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 fi…

Published 17 y ago · modified 4 mo ago · JSON

CVSS
6.6
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.9%
percentile 80%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.93% probability of exploitation in the next 30 days, higher than 80% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.06.6AV:L/AC:M/Au:S/C:C/I:C/A:C

Classification

Weakness

References

  • pam.cvs.sourceforge.net /viewvc/pam/Linux-PAM/libpam/pam_misc.c?r1=1.9&amp%3Br2=1.10&amp%3Bview=patch · x_refsource_CONFIRM, x_transferred
  • mandriva.com /security/advisories?name=MDVSA-2009:077 · vendor-advisory, x_refsource_MANDRIVA, x_transferred
  • openwall.com /lists/oss-security/2009/03/05/1 · mailing-list, x_refsource_MLIST, x_transferred
  • redhat.com /archives/fedora-package-announce/2009-April/msg00398.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • exchange.xforce.ibmcloud.com /vulnerabilities/49110 · vdb-entry, x_refsource_XF, x_transferred
  • pam.cvs.sourceforge.net /viewvc/pam/Linux-PAM/libpam/pam_misc.c?view=log · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/34010 · vdb-entry, x_refsource_BID, x_transferred
  • redhat.com /archives/fedora-package-announce/2009-April/msg00420.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • secunia.com /advisories/34733 · third-party-advisory, x_refsource_SECUNIA, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.