CVE-2022-24809 net-snmp: A malformed OID in a SET request to NET-SNMP-AGENT-MIB::nsLogTable can cause a NULL pointer dereference

Medium 6.5 Published Updated

A remote attacker with read-only credentials can cause a denial of service in net-snmp by sending a malformed OID in a GET-NEXT request.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2022-24809?

CVE-2022-24809 is a medium-severity vulnerability in Debian Debian Linux, published on 16 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a user with read-only credentials can use a malformed OID in a `GET-NEXT` to the `nsVacmAccessTable` to cause a NULL pointer dereference. Version 5.9.2 contains a patch. Users should use strong SNMPv3 credentials and avoid sharing the credentials. Those who must use SNMPv1 or SNMPv2c should use a complex community string and enhance the protection by restricting access to a given IP address range.

Weakness: CWE-476

Which versions are affected by CVE-2022-24809?

It affects 15 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Net-Snmp Net-Snmp, Redhat Enterprise Linux, Redhat Enterprise Linux Eus, Redhat Enterprise Linux for Arm 64 and 9 more.

How do I fix CVE-2022-24809?

Upgrade to a fixed version.

Is CVE-2022-24809 being exploited?

There is no known exploitation of CVE-2022-24809 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2022-24809, DEBIAN-CVE-2022-24809, UBUNTU-CVE-2022-24809.

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