Ingo H3: Folder name shell command injection

1. Gentoo Linux Security Advisory

Package	Vulnerable versions	Unaffected versions	Architecture(s)
www-apps/horde-ingo	< 1.1.2	>= 1.1.2	All supported architectures

Related bugreports: #153927

Ingo H3 is vulnerable to arbitrary shell command execution when handling procmail rules.

2. Impact Information

Ingo H3 is a generic frontend for editing Sieve, procmail, maildrop and IMAP filter rules.

Ingo H3 fails to properly escape shell metacharacters in procmail rules.

A remote authenticated attacker could craft a malicious rule which could lead to the execution of arbitrary shell commands on the server.

3. Resolution Information

Don't use procmail with Ingo H3.

All Ingo H3 users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apps/horde-ingo-1.1.2"

4. References

Updated November 27, 2006

Summary: This is a Gentoo Linux Security Advisory

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