CVE-2024-50382

Description

Botan 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.

Reserved 2024-10-23 | Published 2024-10-23 | Updated 2024-10-24 | Assigner mitre

References

github.com/...ommit/53b0cfde580e86b03d0d27a488b6c134f662e957

github.com/randombit/botan/compare/3.5.0...3.6.0

arxiv.org/pdf/2410.13489

news.ycombinator.com/item?id=41887153

cve.org (CVE-2024-50382)

nvd.nist.gov (CVE-2024-50382)

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