IMAP Proxy: Format string vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200603-04 / up-imapproxy
Release Date	March 06, 2006
Latest Revision	March 06, 2006: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-mail/up-imapproxy	< 1.2.4	>= 1.2.4	All supported architectures

Related bugreports: #107679

Synopsis

Format string vulnerabilities in IMAP Proxy may lead to the execution of arbitrary code when connected to malicious IMAP servers.

2. Impact Information

Background

IMAP Proxy (also known as up-imapproxy) proxies IMAP transactions between an IMAP client and an IMAP server.

Description

Steve Kemp discovered two format string errors in IMAP Proxy.

Impact

A remote attacker could design a malicious IMAP server and entice someone to connect to it using IMAP Proxy, resulting in the execution of arbitrary code with the rights of the victim user.

3. Resolution Information

Workaround

Only connect to trusted IMAP servers using IMAP Proxy.

Resolution

All IMAP Proxy users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-mail/up-imapproxy-1.2.4"

4. References

CVE-2005-2661

Updated March 06, 2006

Summary: This is a Gentoo Linux Security Advisory

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