CVE-2022-44792

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 52.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-11-07 · updated 2026-06-17
Weakness: CWE-476

Description

handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker (who has write access) to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.

Affected products

Debian Linux: 10.0
net-snmp: from 5.8 through 5.9.3
NetApp H300S Firmware: all versions
NetApp H410S Firmware: all versions
NetApp H500S Firmware: all versions
NetApp H700S Firmware: all versions

References

https://gist.github.com/menglong2234/b7bc13ae1a144f47cc3c95a7ea062428
https://github.com/net-snmp/net-snmp/issues/474
https://lists.debian.org/debian-lts-announce/2023/01/msg00010.html
https://security.netapp.com/advisory/ntap-20230223-0011/
https://gist.github.com/menglong2234/b7bc13ae1a144f47cc3c95a7ea062428
https://github.com/net-snmp/net-snmp/issues/474
https://lists.debian.org/debian-lts-announce/2023/01/msg00010.html
https://security.netapp.com/advisory/ntap-20230223-0011/

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