libapreq2: Buffer Overflow

Background

libapreq is a shared library with associated modules for manipulating client request data via the Apache API.

Description

A buffer overflow could occur when processing multipart form uploads.

Impact

An attacker could submit a crafted multipart form to trigger the buffer overflow and cause a denial of service.

Workaround

There is no known workaround at this time.

Resolution

All libapreq2 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=www-apache/libapreq2-2.17"