CVE-2024-50383
Medium
Description
Botan before 3.6.0, when certain GCC versions are used, has a compiler-induced secret-dependent operation in lib/utils/donna128.h in donna128 (used in Chacha-Poly1305 and x25519). An addition can be skipped if a carry is not set. This was observed for GCC 11.3.0 with -O2 on MIPS, and GCC on x86-i386. (Only 32-bit processors can be affected.)
SeverityMedium
CVSS5.9
Exploit probability—
ProductBotan
PublishedOct 23, 2024
First seenOct 23, 2024
Weakness typeCWE-203CWE-203
How to fix
Update
- botan_project botan3.6.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| botan_project botan | v < 3.6.0 | 3.6.0 |
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