CVE-2022-44792
Published: 7 November 2022
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
net-snmp Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
| bionic |
Released
(5.7.3+dfsg-1.8ubuntu3.8)
|
|
| focal |
Released
(5.8+dfsg-2ubuntu2.6)
|
|
| jammy |
Released
(5.9.1+dfsg-1ubuntu2.4)
|
|
| kinetic |
Released
(5.9.3+dfsg-1ubuntu1.2)
|
|
| trusty |
Released
(5.7.2~dfsg-8.1ubuntu3.3+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| xenial |
Released
(5.7.3+dfsg-1ubuntu4.6+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| lunar |
Released
(5.9.3+dfsg-1ubuntu4)
|
|
|
Patches: upstream: https://github.com/net-snmp/net-snmp/commit/be804106fd0771a7d05236cff36e199af077af57 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |