Debian: DSA-3213-1 Critical: Arj Buffer Overflow and Traversal Risks

CVE-2015-0556

Jakub Wilk discovered that arj follows symlinks created during
unpacking of an arj archive. A remote attacker could use this flaw
to perform a directory traversal attack if a user or automated
system were tricked into processing a specially crafted arj archive.

CVE-2015-0557

Jakub Wilk discovered that arj does not sufficiently protect from
directory traversal while unpacking an arj archive containing file
paths with multiple leading slashes. A remote attacker could use
this flaw to write to arbitrary files if a user or automated system
were tricked into processing a specially crafted arj archive.

CVE-2015-2782

Jakub Wilk and Guillem Jover discovered a buffer overflow
vulnerability in arj. A remote attacker could use this flaw to cause
an application crash or, possibly, execute arbitrary code with the
privileges of the user running arj.

For the stable distribution (wheezy), these problems have been fixed in
version 3.10.22-10+deb7u1.

Fo...