Gentoo: GLSA-200901-15: Net-SNMP: Denial of Service
Summary
Gentoo Linux Security Advisory GLSA 200901-15
https://security.gentoo.org/
Severity: Normal
Title: Net-SNMP: Denial of Service
Date: January 21, 2009
Bugs: #245306
ID: 200901-15
Synopsis
=======
A vulnerability in Net-SNMP could lead to a Denial of Service.
Background
=========
Net-SNMP is a collection of tools for generating and retrieving SNMP
data.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-analyzer/net-snmp < 5.4.2.1 >= 5.4.2.1
==========
Oscar Mira-Sanchez reported an integer overflow in the
netsnmp_create_subtree_cache() function in agent/snmp_agent.c when
processing GETBULK requests.
Impact
=====
A remote attacker could send a specially crafted request to crash the
SNMP server. NOTE: The attacker needs to know the community string to
exploit this vulnerability.
Workaround
=========
Restrict access to trusted entities only.
Resolution
=========
All Net-SNMP users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-analyzer/net-snmp-5.4.2.1"
References
=========
[ 1 ] CVE-2008-4309
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4309
Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/200901-15
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 2009 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.
https://creativecommons.org/licenses/by-sa/2.5/
Resolution
References
Availability
Concerns
![Dist Gentoo](/images/distros/dist-gentoo.png)