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Sicherheit: Mehrere Probleme in libpng
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in libpng
ID: 201611-08
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Di, 15. November 2016, 10:45
Referenzen: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8540
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8126
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7981

Originalnachricht

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From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <f2f20d01-d212-2b40-6a46-f0b04b209ad3@gentoo.org>
Subject: [ GLSA 201611-08 ] libpng: Multiple vulnerabilities

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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 201611-08
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: libpng: Multiple vulnerabilities
Date: November 15, 2016
Bugs: #564244, #565678, #568216
ID: 201611-08

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Synopsis
========

Multiple vulnerabilities have been found in libpng, the worst of which
may allow remote attackers to cause Denial of Service.

Background
==========

libpng is a standard library used to process PNG (Portable Network
Graphics) images. It is used by several other programs, including web
browsers and potentially server processes.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/libpng < 1.6.21 *>= 1.2.56
*>= 1.5.26
>= 1.6.21

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

Multiple vulnerabilities were found in libpng. Please review the
referenced CVE’s for additional information.

Impact
======

Remote attackers could cause a Denial of Service condition or have
other unspecified impacts.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libpng 1.2 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libpng-1.2.56"

All libpng 1.5 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libpng-1.5.26"

All libpng 1.6 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libpng-1.6.21"

References
==========

[ 1 ] CVE-2015-7981
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7981
[ 2 ] CVE-2015-8126
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8126
[ 3 ] CVE-2015-8540
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8540

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

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

https://security.gentoo.org/glsa/201611-08

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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px; word-wrap: break-word; white-space: pre-wrap;">- - - - - - - - - - -
=
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Gentoo Linux Security Advisory GLSA 201611-08
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
<a
class=3D"moz-txt-link-freet=
ext" href=3D"https://security.gentoo.org/">https://security.gentoo.org/</=
a>
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: libpng: Multiple vulnerabilities
Date: November 15, 2016
Bugs: #564244, #565678, #568216
ID: 201611-08

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

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

Multiple vulnerabilities have been found in libpng, the worst of which
may allow remote attackers to cause Denial of Service.

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

libpng is a standard library used to process PNG (Portable Network
Graphics) images. It is used by several other programs, including web
browsers and potentially server processes.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/libpng &lt; 1.6.21 *&gt;=3D
1.=
2.56=20
*&gt;=3D 1.5.2=
6=20
&gt;=3D 1.6.2=
1=20

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

Multiple vulnerabilities were found in libpng. Please review the
referenced CVE=E2=80=99s for additional information.

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

Remote attackers could cause a Denial of Service condition or have
other unspecified impacts.

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 libpng 1.2 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose
"&gt;=3Dmedia-libs/libpng-1.2.56"

All libpng 1.5 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose
"&gt;=3Dmedia-libs/libpng-1.5.26"

All libpng 1.6 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose
"&gt;=3Dmedia-libs/libpng-1.6.21"

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

[ 1 ] CVE-2015-7981
<a class=3D"moz-txt-link-freetext" href=3D"http://nvd.nist.gov/nvd.=
cfm?cvename=3DCVE-2015-7981">http://nvd.nist.gov/nvd.cfm?cvename=3DCVE-20=
15-7981</a>
[ 2 ] CVE-2015-8126
<a class=3D"moz-txt-link-freetext" href=3D"http://nvd.nist.gov/nvd.=
cfm?cvename=3DCVE-2015-8126">http://nvd.nist.gov/nvd.cfm?cvename=3DCVE-20=
15-8126</a>
[ 3 ] CVE-2015-8540
<a class=3D"moz-txt-link-freetext" href=3D"http://web.nvd.nist.gov/=
view/vuln/detail?vulnId=3DCVE-2015-8540">http://web.nvd.nist.gov/view/vul=
n/detail?vulnId=3DCVE-2015-8540</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/201611-08">https://security.gentoo.org/glsa/201611-08</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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