high
8.8
CWE
120 119 20 476
Advisory Published
CVE Published
Updated

CVE-2022-24805: net-snmp: A buffer overflow in the handling of the INDEX of NET-SNMP-VACM-MIB can cause an out-of-bounds memory access.

First published: Fri Jul 01 2022(Updated: )

+*5.9.2*: + security: + - These two CVEs can be exploited by a user with read-only credentials: + - <a href="https://access.redhat.com/security/cve/CVE-2022-24805">CVE-2022-24805</a>&nbsp;A buffer overflow in the handling of the INDEX of + NET-SNMP-VACM-MIB can cause an out-of-bounds memory access. + - <a href="https://access.redhat.com/security/cve/CVE-2022-24809">CVE-2022-24809</a>&nbsp;A malformed OID in a GET-NEXT to the nsVacmAccessTable + can cause a NULL pointer dereference. + - These CVEs can be exploited by a user with read-write credentials: + - <a href="https://access.redhat.com/security/cve/CVE-2022-24806">CVE-2022-24806</a>&nbsp;Improper Input Validation when SETing malformed + OIDs in master agent and subagent simultaneously + - <a href="https://access.redhat.com/security/cve/CVE-2022-24807">CVE-2022-24807</a>&nbsp;A malformed OID in a SET request to + SNMP-VIEW-BASED-ACM-MIB::vacmAccessTable can cause an + out-of-bounds memory access. + - <a href="https://access.redhat.com/security/cve/CVE-2022-24808">CVE-2022-24808</a>&nbsp;A malformed OID in a SET request to + NET-SNMP-AGENT-MIB::nsLogTable can cause a NULL pointer dereference + - <a href="https://access.redhat.com/security/cve/CVE-2022-24810">CVE-2022-24810</a>&nbsp;A malformed OID in a SET to the nsVacmAccessTable + can cause a NULL pointer dereference. + - To avoid these flaws, use strong SNMPv3 credentials and do not share them. + If you must use SNMPv1 or SNMPv2c, use a complex community string + and enhance the protection by restricting access to a given IP address range. + - Thanks are due to&nbsp;Yu Zhang of VARAS@IIE and Nanyu Zhong of VARAS@IIE for + reporting the following CVEs that have been fixed in this release, and + to Arista Networks for providing fixes.

Credit: security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
redhat/net-snmp<5.9.2
5.9.2
Net-SNMP<5.9.2
Red Hat Fedora=36
Debian Linux=10.0
Debian Linux=11.0
Red Hat Enterprise Linux=9.0
Red Hat Enterprise Linux Server EUS=9.2
Red Hat Enterprise Linux Server EUS=9.4
Red Hat Enterprise Linux=9.0
Red Hat Enterprise Linux=9.2_aarch64
Red Hat Enterprise Linux=9.4_aarch64
Red Hat Enterprise Linux for ARM64 EUS=9.4_aarch64
Red Hat Enterprise Linux for IBM Z Systems=9.0
Red Hat Enterprise Linux for IBM Z Systems=9.2_s390x
Red Hat Enterprise Linux for IBM Z Systems=9.4_s390x
Red Hat Enterprise Linux for IBM Z Systems (s390x)=9.4_s390x
Red Hat Enterprise Linux for Power, little endian=9.0
Red Hat Enterprise Linux for Power, little endian - Extended Update Support=9.2_ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support=9.4_ppc64le
Red Hat Enterprise Linux Server=9.2
Red Hat Enterprise Linux Server=9.4
Red Hat Enterprise Linux for SAP Applications for Power, little endian - Extended Update Support=9.2_ppc64le
Red Hat Enterprise Linux Server Update Services for SAP Solutions=9.2
Red Hat Enterprise Linux for SAP Solutions=9.4

Remedy

https://github.com/net-snmp/net-snmp/commit/67ebb43e9038b2dae6e74ae8838b36fcc10fc937

Remedy

https://github.com/net-snmp/net-snmp/commit/ce66eb97c17aa9a48bc079be7b65895266fa6775

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2022-24805?

    CVE-2022-24805 has been classified as a high severity vulnerability.

  • How do I fix CVE-2022-24805?

    To resolve CVE-2022-24805, update the affected Net-SNMP version to 5.9.2 or later.

  • What type of vulnerability is CVE-2022-24805?

    CVE-2022-24805 is a buffer overflow vulnerability.

  • Who is affected by CVE-2022-24805?

    CVE-2022-24805 affects users with read-only credentials using certain versions of Net-SNMP.

  • What software is affected by CVE-2022-24805?

    CVE-2022-24805 affects multiple systems including Red Hat Enterprise Linux and various Debian versions.

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