Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- https://github.com/randombit/botan/commit/53b0cfde580e86b03d0d27a488b6c134f662e957
- https://github.com/randombit/botan/compare/3.5.0...3.6.0
- https://arxiv.org/pdf/2410.13489
- https://news.ycombinator.com/item?id=41887153
ADP enrichment
No English description supplied.
No references supplied.