CVE-2022-3647

NameCVE-2022-3647
Description** DISPUTED ** A vulnerability, which was classified as problematic, was found in Redis up to 6.2.7/7.0.5. Affected is the function sigsegvHandler of the file debug.c of the component Crash Report. The manipulation leads to denial of service. The complexity of an attack is rather high. The exploitability is told to be difficult. The real existence of this vulnerability is still doubted at the moment. Upgrading to version 6.2.8 and 7.0.6 is able to address this issue. The patch is identified as 0bf90d944313919eb8e63d3588bf63a367f020a3. It is recommended to apply a patch to fix this issue. VDB-211962 is the identifier assigned to this vulnerability. NOTE: The vendor claims that this is not a DoS because it applies to the crash logging mechanism which is triggered after a crash has occurred.
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
redis (PTS)jessie, jessie (lts)2:2.8.17-1+deb8u12vulnerable
stretch (security)3:3.2.6-3+deb9u9vulnerable
stretch (lts), stretch3:3.2.6-3+deb9u12vulnerable
buster (security), buster, buster (lts)5:5.0.14-1+deb10u5vulnerable
bullseye5:6.0.16-1+deb11u2vulnerable
bullseye (security)5:6.0.16-1+deb11u3vulnerable
bookworm (security), bookworm5:7.0.15-1~deb12u1vulnerable
sid, trixie5:7.0.15-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
redissource(unstable)(unfixed)unimportant

Notes

https://github.com/redis/redis/commit/0bf90d944313919eb8e63d3588bf63a367f020a3
Crash inside the crash report when redis already crashed due to calling an invalid
function pointer, negligible security impact

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