Welcome to our website
To take full advantage of all features you need to login or register. Registration is completely free and takes only a few seconds.
GLSA 200411-24: BNC: Buffer overflow vulnerability
Posted by Philipp Esselbach on: 11/16/2004 05:27 AM [ Print | 0 comment(s) ]
A BNC security update has been released for Gentoo Linux
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200411-24
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: High
Title: BNC: Buffer overflow vulnerability
Date: November 16, 2004
Bugs: #70674
ID: 200411-24
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
=======
BNC contains a buffer overflow vulnerability that may lead to Denial of Service and execution of arbitrary code.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200411-24
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: High
Title: BNC: Buffer overflow vulnerability
Date: November 16, 2004
Bugs: #70674
ID: 200411-24
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
=======
BNC contains a buffer overflow vulnerability that may lead to Denial of Service and execution of arbitrary code.
Background
=========
BNC (BouNCe) is an IRC proxy server.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-irc/bnc < 2.9.1 >= 2.9.1
Description
==========
Leon Juranic discovered that BNC fails to do proper bounds checking when checking server response.
Impact
=====
An attacker could exploit this to cause a Denial of Service and potentially execute arbitary code with the permissions of the user running BNC.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All BNC users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/bnc-2.9.1"
References
=========
[ 1 ] BNC ChangeLog
http://gotbnc.com/changes.html
[ 2 ] LSS-2004-11-03
http://security.lss.hr/en/index.php?page=detailsID=LSS-2004-11-03
Availability
===========
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200411-24.xml
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 http://bugs.gentoo.org.
License
======
Copyright 2004 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/2.0
=========
BNC (BouNCe) is an IRC proxy server.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-irc/bnc < 2.9.1 >= 2.9.1
Description
==========
Leon Juranic discovered that BNC fails to do proper bounds checking when checking server response.
Impact
=====
An attacker could exploit this to cause a Denial of Service and potentially execute arbitary code with the permissions of the user running BNC.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All BNC users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/bnc-2.9.1"
References
=========
[ 1 ] BNC ChangeLog
http://gotbnc.com/changes.html
[ 2 ] LSS-2004-11-03
http://security.lss.hr/en/index.php?page=detailsID=LSS-2004-11-03
Availability
===========
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200411-24.xml
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 http://bugs.gentoo.org.
License
======
Copyright 2004 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/2.0
