CVE-2024-50382 — Observable Discrepancy in Project Botan
Severity
5.9MEDIUMNVD
OSV5.3
EPSS
0.1%
top 65.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 23
Latest updateJun 23
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 2.2 | Impact: 3.6