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Sicherheit: Ausführen beliebiger Kommandos in exim
Aktuelle Meldungen Distributionen
Name: Ausführen beliebiger Kommandos in exim
ID: 201607-12
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Mi, 20. Juli 2016, 14:39
Referenzen: http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2972

Originalnachricht

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From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <7db2d16f-ee95-bdd9-2353-72f5ff78e157@gentoo.org>
Subject: [ GLSA 201607-12 ] Exim: Arbitrary code execution

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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 201607-12
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: Exim: Arbitrary code execution
Date: July 20, 2016
Bugs: #517934, #576582
ID: 201607-12

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

A local attacker could execute arbitrary code by providing unsanitized
data to a data source or escalate privileges.

Background
==========

Exim is a message transfer agent (MTA) designed to be a a highly
configurable, drop-in replacement for sendmail.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-mta/exim < 4.87 >= 4.87

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

Vulnerabilities have been discovered in Exim's implementation of
set-uid root and when using 'perl_startup'. These vulnerabilities
require a user account on the Exim server and a configuration that does
lookups against files to which the user has edit access.

Impact
======

A local attacker could possibly execute arbitrary code with the
privileges of the process, or escalate privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Exim users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/exim-4.87"

References
==========

[ 1 ] CVE-2014-2972
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2972

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

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

https://security.gentoo.org/glsa/201607-12

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 2016 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.

http://creativecommons.org/licenses/by-sa/2.5


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Gentoo Linux Security Advisory GLSA 201607-12
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
<a
class=3D"moz-txt-link-freet=
ext" href=3D"https://security.gentoo.org/">https://security.gentoo.org/</=
a>
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: Exim: Arbitrary code execution
Date: July 20, 2016
Bugs: #517934, #576582
ID: 201607-12

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
=3D=3D=3D=3D=3D=3D=3D=3D

A local attacker could execute arbitrary code by providing unsanitized
data to a data source or escalate privileges.

Background
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Exim is a message transfer agent (MTA) designed to be a a highly
configurable, drop-in replacement for sendmail.

Affected packages
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-mta/exim &lt; 4.87
&gt;=3D =
4.87=20

Description
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Vulnerabilities have been discovered in Exim's implementation of
set-uid root and when using 'perl_startup'. These vulnerabilities
require a user account on the Exim server and a configuration that does
lookups against files to which the user has edit access.

Impact
=3D=3D=3D=3D=3D=3D

A local attacker could possibly execute arbitrary code with the
privileges of the process, or escalate privileges.

Workaround
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

There is no known workaround at this time.

Resolution
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

All Exim users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=3Dmail-mta/exim-4.87"

References
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

[ 1 ] CVE-2014-2972
<a class=3D"moz-txt-link-freetext" href=3D"http://nvd.nist.gov/nvd.=
cfm?cvename=3DCVE-2014-2972">http://nvd.nist.gov/nvd.cfm?cvename=3DCVE-20=
14-2972</a>

Availability
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

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

<a class=3D"moz-txt-link-freetext" href=3D"https://security.gentoo.org/g=
lsa/201607-12">https://security.gentoo.org/glsa/201607-12</a>

Concerns?
=3D=3D=3D=3D=3D=3D=3D=3D=3D

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
<a class=3D"moz-txt-link-abbreviated"
href=3D"mailto:security@gentoo.org"=
>security@gentoo.org</a> or alternatively, you may file a bug at
<a class=3D"moz-txt-link-freetext" href=3D"https://bugs.gentoo.org">https=
://bugs.gentoo.org</a>.

License
=3D=3D=3D=3D=3D=3D=3D

Copyright 2016 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.

<a class=3D"moz-txt-link-freetext" href=3D"http://creativecommons.org/lic=
enses/by-sa/2.5">http://creativecommons.org/licenses/by-sa/2.5</a></pre>
</body>
</html>

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