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WS-2023-0198
Date: June 22, 2023
cyfs-base vulnerable to misaligned pointer dereference in `ChunkId::new`. 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.
Language: RUST
Severity Score
Severity Score
Weakness Type (CWE)
Untrusted Pointer Dereference
CWE-822CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | LOW |
| Availability (A): | HIGH |