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uw-imap: Remote buffer overflow

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200510-10 / uw-imap
Release Date October 11, 2005
Latest Revision October 11, 2005: 01
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-mail/uw-imap < 2004g >= 2004g All supported architectures

Related bugreports: #108206

Synopsis

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

2.  Impact Information

Background

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

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.

3.  Resolution Information

Workaround

There are no known workarounds at this time.

Resolution

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

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-mail/uw-imap-2004g"

4.  References



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Page updated October 11, 2005

Summary: This is a Gentoo Linux Security Advisory

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