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.
References
| Link | Resource |
|---|---|
| https://arxiv.org/pdf/2410.13489 | Exploit Third Party Advisory Technical Description |
| https://github.com/randombit/botan/commit/53b0cfde580e86b03d0d27a488b6c134f662e957 | Patch |
| https://github.com/randombit/botan/compare/3.5.0...3.6.0 | Product |
| https://news.ycombinator.com/item?id=41887153 | Issue Tracking |
Configurations
History
10 Jul 2025, 19:23
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:* | |
| First Time |
Botan Project botan
Botan Project |
|
| References | () https://arxiv.org/pdf/2410.13489 - Exploit, Third Party Advisory, Technical Description | |
| References | () https://github.com/randombit/botan/commit/53b0cfde580e86b03d0d27a488b6c134f662e957 - Patch | |
| References | () https://github.com/randombit/botan/compare/3.5.0...3.6.0 - Product | |
| References | () https://news.ycombinator.com/item?id=41887153 - Issue Tracking |
Information
Published : 2024-10-23 17:15
Updated : 2025-07-10 19:23
NVD link : CVE-2024-50382
Mitre link : CVE-2024-50382
CVE.ORG link : CVE-2024-50382
JSON object : View
Products Affected
botan_project
- botan
CWE
CWE-203
Observable Discrepancy