CVE-2024-50382

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.

CVSS v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

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

Configuration 1 (hide)

cpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*

History

No history.

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

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