[ GLSA 200510-10 ] uw-imap: Remote buffer overflow

[GLSA]

Gentoo Linux Security Advisory

Title: uw-imap: Remote buffer overflow (GLSA 200510-10)
Severity: high
Exploitable: remote
Date: October 11, 2005
Bug(s): #108206
ID: 200510-10

Synopsis

uw-imap is vulnerable to remote overflow of a buffer in the IMAP server leading to execution of arbitrary code.

Background

uw-imap is the University of Washington's IMAP and POP server daemons.

Affected Packages

Package: net-mail/uw-imap
Vulnerable: < 2004g
Unaffected: >= 2004g
Architectures: All supported architectures


Description

Improper bounds checking of user supplied data while parsing IMAP mailbox names can lead to overflowing the stack buffer.

Impact

Successful exploitation requires an authenticated IMAP user to request a malformed mailbox name. This can lead to execution of arbitrary code with the permissions of the IMAP server.

Workaround

There are no known workarounds at this time.

Resolution

All uw-imap users should upgrade to the latest version: