Resource exhaustion in Net-snmp - CVE-2007-5846
Published: November 6, 2007 / Updated: January 18, 2021
Vulnerability identifier: #VU49578
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2007-5846
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: net-snmp.sourceforge.net
Affected software:
Net-snmp
Net-snmp
Detailed vulnerability description
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.
How to mitigate CVE-2007-5846
Install updates from vendor's website.
Sources
- http://bugs.gentoo.org/show_bug.cgi?id=198346
- http://lists.vmware.com/pipermail/security-announce/2008/000014.html
- http://net-snmp.svn.sourceforge.net/viewvc/net-snmp/tags/Ext-5-4-1/net-snmp/agent/snmp_agent.c?view=log
- http://osvdb.org/38904
- http://security.gentoo.org/glsa/glsa-200711-31.xml
- http://sourceforge.net/project/shownotes.php?release_id=528095&group_id=12694
- http://sourceforge.net/tracker/index.php?func=detail&aid=1712988&group_id=12694&atid=112694
- http://www.debian.org/security/2008/dsa-1483
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:225
- http://www.novell.com/linux/security/advisories/2007_25_sr.html
- http://www.redhat.com/support/errata/RHSA-2007-1045.html
- http://www.securityfocus.com/archive/1/490917/100/0/threaded
- http://www.securityfocus.com/bid/26378
- http://www.securitytracker.com/id?1018918
- http://www.ubuntu.com/usn/usn-564-1
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43730
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11258
- https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00613.html