CVE-2022-4603

Name	CVE-2022-4603
Description	A vulnerability classified as problematic has been found in ppp. Affected is the function dumpppp of the file pppdump/pppdump.c of the component pppdump. The manipulation of the argument spkt.buf/rpkt.buf leads to improper validation of array index. The real existence of this vulnerability is still doubted at the moment. The name of the patch is a75fb7b198eed50d769c80c36629f38346882cbf. It is recommended to apply a patch to fix this issue. VDB-216198 is the identifier assigned to this vulnerability. NOTE: pppdump is not used in normal process of setting up a PPP connection, is not installed setuid-root, and is not invoked automatically in any scenario.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ppp (PTS)	jessie, jessie (lts)	2.4.6-3.1+deb8u1	vulnerable
	stretch (security), stretch (lts), stretch	2.4.7-1+4+deb9u1	vulnerable
	buster (security), buster, buster (lts)	2.4.7-2+4.1+deb10u1	vulnerable
	bullseye	2.4.9-1+1	vulnerable
	bookworm	2.4.9-1+1.1	vulnerable
	sid, trixie	2.5.0-1+2	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ppp	source	experimental	2.5.0-1+1
ppp	source	(unstable)	(unfixed)	unimportant

https://github.com/ppp-project/ppp/commit/a75fb7b198eed50d769c80c36629f38346882cbf (ppp-2.5.0)
No security impact