Pavuk: Multiple buffer overflows

Background

Pavuk is web spider and website mirroring tool.

Description

Pavuk contains several buffer overflow vulnerabilities in the code handling digest authentication and HTTP header processing. This issue is similar to GLSA 200407-19, but contains more vulnerabilities.

Impact

A remote attacker could cause a buffer overflow, leading to arbitrary code execution with the rights of the user running Pavuk.

Workaround

There is no known workaround at this time.

Resolution

All Pavuk users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-misc/pavuk-0.9.31"