buckyos/cyfs · Security

cyfs-base vulnerable to misaligned pointer dereference in `ChunkId::new`

GHSA ID
GHSA-g753-ghr7-q33w
Severity
medium
Published
Updated

Description

The function ChunkId::new creates a misaligned pointer by casting mutable pointer of u8 slice which has alignment 1 to the mutable pointer of u32 which has alignment 4, and dereference the misaligned pointer leading UB, which should not be allowed in safe function.

References