CVE-2024-50382

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/randombit/botan/commit/53b0cfde580e86b03d0d27a488b6c134f662e957
https://github.com/randombit/botan/compare/3.5.0...3.6.0
https://arxiv.org/pdf/2410.13489
https://news.ycombinator.com/item?id=41887153

Frequently Asked Questions

What is the severity of CVE-2024-50382?
CVE-2024-50382 has been scored as a medium severity vulnerability.
How to fix CVE-2024-50382?
To fix CVE-2024-50382, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-50382 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-50382 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.