joernchen of Phenoelit discovered two command injection flaws in Sup, a console-based email client. An attacker might execute arbitrary command if the user opens a maliciously crafted email.

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Debian Security Advisory DSA-2805-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
http://www.debian.org/security/                             Luciano Bello
November 27, 2013                      http://www.debian.org/security/faq
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Package        : sup-mail
Vulnerability  : command injection
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2013-4478 CVE-2013-4479
Debian Bug     : 728232

joernchen of Phenoelit discovered two command injection flaws in Sup, a
console-based email client. An attacker might execute arbitrary command 
if the user opens a maliciously crafted email.

CVE-2013-4478

    Sup wrongly handled the filename of attachments.

CVE-2013-4479

    Sup did not sanitize the content-type of attachments.

For the oldstable distribution (squeeze), these problems have been fixed in
version 0.11-2+nmu1+deb6u1.

For the stable distribution (wheezy), these problems have been fixed in
version 0.12.1+git20120407.aaa852f-1+deb7u1.

We recommend that you upgrade your sup-mail packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

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