PT-2010-2646 · Kde · Xscreensaver+2

Felix Lemke · Published 2010-03-03 · Updated 2010-03-04 · CVE-2010-0923

Positive Technologies (AI Summary)

CVSS v2.0

6.9

Medium

Base vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions KDE SC version 4.4.0

Description A race condition exists in the KRunner lock module, specifically in the workspace/krunner/lock/lockdlg.cc file, allowing physically proximate attackers to bypass KScreenSaver screen locking. This can be achieved by pressing the Enter key at a certain time, related to the handling of multiple forked processes.

Recommendations For KDE SC version 4.4.0, consider disabling the KScreenSaver screen locking feature until a patch is available to prevent exploitation of this issue. Restrict access to workstations to minimize the risk of unauthorized access.

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2010-0923

Affected Products

Kde Sc

Krunner

Xscreensaver

References · 15

• http://vupen.com/english/advisories/2010/0409 · Vendor Advisory
• http://websvn.kde.org/?revision=1089213&view=revision · Patch
• http://secunia.com/advisories/38600 · Vendor Advisory
• http://websvn.kde.org/?view=revision&revision=1089241 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2010-0923 · Security Note
• http://openwall.com/lists/oss-security/2010/02/17/3 · Note
• https://bugzilla.novell.com/show_bug.cgi?id=579280 · Note
• http://marc.info/?l=oss-security&m=126599909614401&w=2 · Note
• https://bugs.kde.org/show_bug.cgi?id=217882 · Note
• http://marc.info/?l=oss-security&m=126600468622421&w=2 · Note
• http://bugs.kde.org/show_bug.cgi?id=226449 · Note
• http://securitytracker.com/id?1023641 · Note
• http://websvn.kde.org/trunk/KDE/kdebase/workspace/krunner/lock/lockdlg.cc?r1=1089213&r2=1089212&pathrev=1089213 · Note
• http://marc.info/?l=oss-security&m=126598163422670&w=2 · Note
• http://kde.org/info/security/advisory-20100217-1.txt · Note