Bug 880231 (CVE-2022-44792, CVE-2022-44793)

Summary:	<net-analyzer/net-snmp-5.9.4: multiple vulnerabilities
Product:	Gentoo Security	Reporter:	John Helmert III <ajak>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	CONFIRMED ---
Severity:	minor	CC:	netmon
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:	B3 [stable?]
Package list:		Runtime testing required:	---

Description John Helmert III archtester

2022-11-07 17:00:35 UTC

CVE-2022-44792 (https://github.com/net-snmp/net-snmp/issues/474):
https://gist.github.com/menglong2234/b7bc13ae1a144f47cc3c95a7ea062428

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.

CVE-2022-44793 (https://github.com/net-snmp/net-snmp/issues/475):
https://gist.github.com/menglong2234/d07a65b5028145c9f4e1d1db8c4c202f

handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.

No patches yet, but upstream seems active.

Comment 1 John Helmert III archtester

2022-12-30 21:29:03 UTC

The two issues are said to be fixed by: https://github.com/net-snmp/net-snmp/commit/be804106fd0771a7d05236cff36e199af077af57