Gentoo: GLSA-201309-03: Xlockmore: Denial of Service
Summary
A Denial of Service flaw was found in the way Xlockmore performed the passing of arguments to the underlying localtime() call, when the 'dlock' mode was used.
Resolution
All Xlockmore users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-misc/xlockmore-5.43"
References
[ 1 ] CVE-2012-4524 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4524 [ 2 ] CVE-2013-4143 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4143
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201309-03
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
A buffer overflow in Xlockmore might allow remote attackers to cause a Denial of Service.
Background
Xlockmore is just another screensaver application for X.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 x11-misc/xlockmore < 5.43 >= 5.43
Impact
===== A local attacker could possibly cause a Denial of Service condition and potentially obtain unauthorized access to the graphical session, previously locked by another user.
Workaround
There is no known workaround at this time.