CVE-2024-31950

NameCVE-2024-31950
DescriptionIn FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospf_te_parse_ri for OSPF LSA packets during an attempt to read Segment Routing subTLVs (their size is not validated).
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
frr (PTS)buster6.0.2-2+deb10u1fixed
buster (security)7.5.1-1.1+deb10u2fixed
bullseye (security), bullseye7.5.1-1.1+deb11u2fixed
bookworm, bookworm (security)8.4.4-1.1~deb12u1vulnerable
sid, trixie10.0-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
frrsourcebuster(not affected)
frrsourcebullseye(not affected)
frrsource(unstable)(unfixed)

Notes

[bullseye] - frr <not-affected> (Vulnerable code not present)
[buster] - frr <not-affected> (Vulnerable code not present)
https://github.com/FRRouting/frr/pull/15674/
Proposed fix: https://github.com/FRRouting/frr/pull/15674/commits/6b84541df71772f697a7f9e6b2aaf72536aab775
vulnerable feature introduced in https://github.com/FRRouting/frr/commit/f173deb35206a09e8dc22828cb08638e289b72a5 (first shipped with 8.0)

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