| 1 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 2 |
Gentoo Linux Security Advisory GLSA 201508-02 |
| 3 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 4 |
https://security.gentoo.org/ |
| 5 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 6 |
|
| 7 |
Severity: Normal |
| 8 |
Title: libgadu: Multiple vulnerabilities |
| 9 |
Date: August 15, 2015 |
| 10 |
Bugs: #490238, #505558, #510714 |
| 11 |
ID: 201508-02 |
| 12 |
|
| 13 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 14 |
|
| 15 |
Synopsis |
| 16 |
======== |
| 17 |
|
| 18 |
Multiple vulnerabilities have been found in libgadu, the worst of which |
| 19 |
may result in execution of arbitrary code. |
| 20 |
|
| 21 |
Background |
| 22 |
========== |
| 23 |
|
| 24 |
libgadu is a library that implements the client side of the Gadu-Gadu |
| 25 |
protocol. |
| 26 |
|
| 27 |
Affected packages |
| 28 |
================= |
| 29 |
|
| 30 |
------------------------------------------------------------------- |
| 31 |
Package / Vulnerable / Unaffected |
| 32 |
------------------------------------------------------------------- |
| 33 |
1 net-libs/libgadu < 1.12.0 >= 1.12.0 |
| 34 |
|
| 35 |
Description |
| 36 |
=========== |
| 37 |
|
| 38 |
libgadu contains multiple vulnerabilities: |
| 39 |
|
| 40 |
* X.509 certificates are not properly validated (CVE-2013-4488) |
| 41 |
* A integer overflow error could lead to a buffer overflow |
| 42 |
(CVE-2013-6487) |
| 43 |
* Malformed responses from a Gadu-Gadu file relay server are not |
| 44 |
properly handled (CVE-2014-3775) |
| 45 |
|
| 46 |
Impact |
| 47 |
====== |
| 48 |
|
| 49 |
A remote attacker may be able to execute arbitrary code with the |
| 50 |
privileges of the process, cause a Denial of Service condition, or |
| 51 |
spoof servers. |
| 52 |
|
| 53 |
Workaround |
| 54 |
========== |
| 55 |
|
| 56 |
There is no known workaround at this time. |
| 57 |
|
| 58 |
Resolution |
| 59 |
========== |
| 60 |
|
| 61 |
All libgadu users should upgrade to the latest version: |
| 62 |
|
| 63 |
# emerge --sync |
| 64 |
# emerge --ask --oneshot --verbose ">=net-libs/libgadu-1.12.0" |
| 65 |
|
| 66 |
References |
| 67 |
========== |
| 68 |
|
| 69 |
[ 1 ] CVE-2013-4488 |
| 70 |
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4488 |
| 71 |
[ 2 ] CVE-2013-6487 |
| 72 |
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6487 |
| 73 |
[ 3 ] CVE-2014-3775 |
| 74 |
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3775 |
| 75 |
|
| 76 |
Availability |
| 77 |
============ |
| 78 |
|
| 79 |
This GLSA and any updates to it are available for viewing at |
| 80 |
the Gentoo Security Website: |
| 81 |
|
| 82 |
https://security.gentoo.org/glsa/201508-02 |
| 83 |
|
| 84 |
Concerns? |
| 85 |
========= |
| 86 |
|
| 87 |
Security is a primary focus of Gentoo Linux and ensuring the |
| 88 |
confidentiality and security of our users' machines is of utmost |
| 89 |
importance to us. Any security concerns should be addressed to |
| 90 |
security@g.o or alternatively, you may file a bug at |
| 91 |
https://bugs.gentoo.org. |
| 92 |
|
| 93 |
License |
| 94 |
======= |
| 95 |
|
| 96 |
Copyright 2015 Gentoo Foundation, Inc; referenced text |
| 97 |
belongs to its owner(s). |
| 98 |
|
| 99 |
The contents of this document are licensed under the |
| 100 |
Creative Commons - Attribution / Share Alike license. |
| 101 |
|
| 102 |
http://creativecommons.org/licenses/by-sa/2.5 |
Archives