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Debian Security Advisory DSA 2899-1 (openafs - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Michael Meffie discovered that in OpenAFS, a distributed filesystem, an attacker with the ability to connect to an OpenAFS fileserver can trigger a buffer overflow, crashing the fileserver, and potentially permitting the execution of arbitrary code. In addition, this update addresses a minor denial of service issue: the listener thread of the server will hang for about one second when receiving an invalid packet, giving the opportunity to slow down the server to an unusable state by sending such packets.
Insight
Insight
AFS is a distributed filesystem allowing cross-platform sharing of files among multiple computers.
Affected Software
Affected Software
openafs on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the oldstable distribution (squeeze), this problem has been fixed in version 1.4.12.1+dfsg-4+squeeze3. For the stable distribution (wheezy), this problem has been fixed in version 1.6.1-3+deb7u2. For the unstable distribution (sid), this problem has been fixed in version 1.6.7-1. We recommend that you upgrade your openafs packages.