Upstream information

CVE-2013-4143 at MITRE

Description

The (1) checkPasswd and (2) checkGroupXlockPasswds functions in xlockmore before 5.43 do not properly handle when a NULL value is returned upon an error by the crypt or dispcrypt function as implemented in glibc 2.17 and later, which allows attackers to bypass the screen lock via vectors related to invalid salts.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 2.1
Vector AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
SUSE Bugzilla entry: 829859 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 12
SUSE Linux Enterprise Desktop 12 SP1
SUSE Linux Enterprise Desktop 12 SP2
SUSE Linux Enterprise Desktop 12 SP3
SUSE Linux Enterprise Desktop 12 SP4
SUSE Linux Enterprise High Performance Computing 12 SP5
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server 12 SP1
SUSE Linux Enterprise Server 12 SP2
SUSE Linux Enterprise Server 12 SP3
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server 12 SP5
  • xlockmore >= 5.43-5.33
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2
  • xlockmore >= 5.43-5.30
openSUSE Tumbleweed
  • xlockmore >= 5.45-3.8
Patchnames:
openSUSE Tumbleweed GA xlockmore-5.45-3.8