NULL pointer dereference in Net-Snmp
CVE-2022-24809
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.
EPSS: 0.011 (62.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Net-snmp — versions 0
- Debian Debian_linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 36
- Redhat Enterprise_linux — versions 9.0
- Redhat Enterprise_linux_eus — versions 9.2, 9.4
- Redhat Enterprise_linux_for_arm_64 — versions 9.0, 9.2_aarch64, 9.4_aarch64
- Redhat Enterprise_linux_for_arm_64_eus — versions 9.4_aarch64
- Redhat Enterprise_linux_for_ibm_z_systems — versions 9.0, 9.2_s390x, 9.4_s390x
- Redhat Enterprise_linux_for_ibm_z_systems_eus — versions 9.4_s390x
- Redhat Enterprise_linux_for_power_little_endian — versions 9.0
Weakness classification (CWE)
References
- security-advisories@github.com (Patch)
- security-advisories@github.com (Third Party Advisory)
- security-advisories@github.com (Third Party Advisory)
- security-advisories@github.com (Product)
- security-advisories@github.com (Third Party Advisory)
- security-advisories@github.com (Third Party Advisory)
- security-advisories@github.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-24809?
- CVE-2022-24809 is a medium-severity vulnerability in Net-Snmp, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2024-04-16.
- How severe is CVE-2022-24809?
- Medium severity. CVSS v3 base score is 6.5 out of 10.