Resource exhaustion in Net-snmp - CVE-2007-5846

 

Resource exhaustion in Net-snmp - CVE-2007-5846

Published: November 6, 2007 / Updated: January 18, 2021


Vulnerability identifier: #VU49578
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2007-5846
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the SNMP agent (snmp_agent.c) in net-snmp does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion by sending a GETBULK request with a large max-repeaters value and perform a denial of service (DoS) attack.


Affected software

Net-snmp
Gentoo Linux
net-analyzer/net-snmp
SCALANCE X200-4P IRT
SCALANCE X201-3P IRT
SCALANCE X201-3P IRT PRO
SCALANCE X202-2IRT
SCALANCE X202-2P IRT
SCALANCE X202-2P IRT PRO
SCALANCE X204IRT
SCALANCE X204IRT PRO
SCALANCE XF201-3P IRT
SCALANCE XF202-2P IRT
SCALANCE XF204-2BA IRT
SCALANCE XF204IRT
SIPLUS NET SCALANCE X202-2P IRT

How to mitigate CVE-2007-5846

Install updates from vendor's website.

Net-snmp - update to 5.4.1
net-analyzer/net-snmp - update to 5.4.1-r1
SCALANCE X200-4P IRT - update to 5.5.0
SCALANCE X201-3P IRT - update to 5.5.0
SCALANCE X201-3P IRT PRO - update to 5.5.0
SCALANCE X202-2IRT - update to 5.5.0
SCALANCE X202-2P IRT - update to 5.5.0
SCALANCE X202-2P IRT PRO - update to 5.5.0
SCALANCE X204IRT - update to 5.5.0
SCALANCE X204IRT PRO - update to 5.5.0
SCALANCE XF201-3P IRT - update to 5.5.0
SCALANCE XF202-2P IRT - update to 5.5.0
SCALANCE XF204-2BA IRT - update to 5.5.0
SCALANCE XF204IRT - update to 5.5.0
SIPLUS NET SCALANCE X202-2P IRT - update to 5.5.0

External References

Related Security Bulletins