CVE-2022-4603

NameCVE-2022-4603
DescriptionA 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.
SourceCVE (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 PackageReleaseVersionStatus
ppp (PTS)bullseye2.4.9-1+1vulnerable
bookworm2.4.9-1+1.1vulnerable
sid, trixie2.5.1-1+1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pppsourceexperimental2.5.0-1+1
pppsource(unstable)(unfixed)unimportant

Notes

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

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