CVE-2024-50382
Last modified
CVE-2024-50382 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Botan Project | Botan | < 3.6.0 |
References
- https://arxiv.org/pdf/2410.13489Exploit, Technical Description, Third Party Advisory
- https://news.ycombinator.com/item?id=41887153Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
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