CVE-2024-50383 - Botan Compiler-Induced Carry Skipping Secret Dependence Vulnerability

CVE ID : CVE-2024-50383
Published : Oct. 23, 2024, 5:15 p.m. | 24 minutes ago
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.)
Severity: 0.0 | NA
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