#VU65675 NULL pointer dereference in Net-snmp - CVE-2022-24808

Vulnerability identifier: #VU65675

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-24808

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Net-snmp
Server applications / Remote management servers, RDP, SSH

Vendor: net-snmp.sourceforge.net

Description

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

The vulnerability exists due to a NULL pointer dereference error in NET-SNMP-AGENT-MIB::nsLogTable when handling malformed OID in a SET request. A remote user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Net-snmp: 5.0 - 5.9.2.pre1

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2022-24808

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.