GLSA-200901-15 : Net-SNMP: Denial of Service

medium Nessus Plugin ID 35444
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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-200901-15 (Net-SNMP: Denial of Service)

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.

Solution

All Net-SNMP users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-analyzer/net-snmp-5.4.2.1'

See Also

https://security.gentoo.org/glsa/200901-15

Plugin Details

Severity: Medium

ID: 35444

File Name: gentoo_GLSA-200901-15.nasl

Version: 1.15

Type: local

Published: 1/22/2009

Updated: 1/6/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:net-snmp, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/21/2009

Reference Information

CVE: CVE-2008-4309

BID: 32020

GLSA: 200901-15

CWE: 20