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Gentoo Linux Security Advisory GLSA 201709-13
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https://security.gentoo.org/
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Severity: Normal
Title: SquirrelMail: Remote Code Execution
Date: September 17, 2017
Bugs: #616700
ID: 201709-13

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Synopsis
========

A vulnerability in SquirrelMail might allow remote attackers to execute
arbitrary code.

Background
==========

SquirrelMail is a webmail package written in PHP. It supports IMAP and
SMTP and can optionally be installed with SQL support.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 mail-client/squirrelmail
< 1.4.23_pre20140426 Vulnerable!
——————————————————————-
NOTE: Certain packages are still vulnerable. Users should migrate
to another package if one is available or wait for the
existing packages to be marked stable by their
architecture maintainers.

Description
===========

It was discovered that the sendmail.cf file is mishandled in a popen
call.

Impact
======

A remote attacker, by enticing a user to open an e-mail attachment,
could execute arbitrary shell commands.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

Gentoo has discontinued support for SquirrelMail and recommends that
users unmerge the package:

# emerge –unmerge “mail-client/squirrelmail”

References
==========

[ 1 ] CVE-2017-7692
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7692

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/201709-13

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2017 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons – Attribution / Share Alike license.

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