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.
History

Thu, 24 Oct 2024 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Botan Project
Botan Project botan
Weaknesses CWE-203
CPEs cpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
Vendors & Products Botan Project
Botan Project botan
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 23 Oct 2024 16:30:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-10-23T00:00:00

Updated: 2024-10-24T19:57:23.462Z

Reserved: 2024-10-23T00:00:00

Link: CVE-2024-50382

cve-icon Vulnrichment

Updated: 2024-10-24T19:57:17.639Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2024-10-23T17:15:19.453

Modified: 2024-10-25T12:56:36.827

Link: CVE-2024-50382

cve-icon Redhat

No data.