GLSA 200901-15: Net-SNMP: Denial of Service
| Severity: | normal |
| Title: | Net-SNMP: Denial of Service |
| Date: | 01/21/2009 |
| Bugs: | |
| 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 | Architecture(s) |
|---|---|---|---|
| net-analyzer/net-snmp | < 5.4.2.1 | >= 5.4.2.1 | All supported architectures |
Description
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
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
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 2010 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.