CVE-2024-50382

NameCVE-2024-50382
DescriptionBotan before 3.6.0, when certain LLVM versions are used, has compiler-induced secret-dependent control flow in lib/utils/ghash/ghash.cpp in GHASH in AES-GCM. There is a branch instead of an XOR with carry. This was observed for Clang in LLVM 15 on RISC-V.
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
botan (PTS)bullseye2.17.3+dfsg-2vulnerable
bookworm2.19.3+dfsg-1vulnerable
sid, trixie2.19.5+dfsg-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
botansource(unstable)2.19.5+dfsg-3unimportant

Notes

https://github.com/randombit/botan/commit/53b0cfde580e86b03d0d27a488b6c134f662e957 (3.6.0)
Debian packages not compiled with LLVM

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