CVE-2022-44792

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.

CVSS v3.1

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v3.1

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

52.05% chance of exploitation in the next 30 days, 99th percentile

Published

2022-11-07

Updated

2025-05-05

Proof-of-concept exploits (2)

• https://gist.github.com/menglong2234/b7bc13ae1a144f47cc3c95a7ea062428
• net-snmp/net-snmp/issues/474

References

• CVE Record
• NVD entry

Related

• CVE-2022-44793
• CVE-2022-4479
• CVE-2022-44789
• CVE-2022-4480
• CVE-2022-4478
• CVE-2022-4481