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Debian Security Advisory DSA 3221-1 (das-watchdog - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Adam Sampson discovered a buffer overflow in the handling of the XAUTHORITY environment variable in das-watchdog, a watchdog daemon to ensure a realtime process won't hang the machine. A local user can exploit this flaw to escalate his privileges and execute arbitrary code as root.
Affected Software
Affected Software
das-watchdog on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (wheezy), this problem has been fixed in version 0.9.0-2+deb7u1. For the unstable distribution (sid), this problem has been fixed in version 0.9.0-3.1. We recommend that you upgrade your das-watchdog packages.