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Re: [SECURITY] [DSA 3105-1] heirloom-mailx security update



Hi Mirco,

danke für die Info.

Wenn Dir für Stunden das Projekt fehlt, gib mir bitte Bescheid, danke! Dann weise ich Dir das in Redmine zu.

Bis dann,

    Joris


Am 16.12.2014 18:56, schrieb Florian Weimer:
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- -------------------------------------------------------------------------
Debian Security Advisory DSA-3105-1                   security@debian.org
http://www.debian.org/security/                            Florian Weimer
December 16, 2014                      http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : heirloom-mailx
CVE ID         : CVE-2004-2771 CVE-2014-7844

Two security vulnerabilities were discovered in Heirloom mailx, an
implementation of the "mail" command:

CVE-2004-2771

     mailx interprets interprets shell meta-characters in certain email
     addresses.

CVE-2014-7844

     An unexpected feature of mailx treats syntactically valid email
     addresses as shell commands to execute.

Shell command execution can be re-enabled using the "expandaddr"
option.

Note that this security update does not remove all mailx facilities
for command execution, though.  Scripts which send mail to addresses
obtained from an untrusted source (such as a web form) should use the
"--" separator before the email addresses (which was fixed to work
properly in this update), or they should be changed to invoke
"mail -t" or "sendmail -i -t" instead, passing the recipient addresses
as part of the mail header.

For the stable distribution (wheezy), these problems have been fixed in
version 12.5-2+deb7u1.

We recommend that you upgrade your heirloom-mailx packages.

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

Mailing list: debian-security-announce@lists.debian.org
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--
Joris Wiebe <j.wiebe@wortzwei.de>
wortzwei GmbH
Geschäftsführer
Völckersstr. 14-20
D-22765 Hamburg
fon: +49 40 679 586 07
mob: +49 171 95 95 988
fax: +49 40 679 586 08
web: http://www.wortzwei.de/

Geschäftsführung: Joris Wiebe
Amtsgericht Hamburg HRB-91937


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