Vulnerability Details : CVE-2021-28032
An issue was discovered in the nano_arena crate before 0.5.2 for Rust. There is an aliasing violation in split_at because two mutable references can exist for the same element, if Borrow<Idx> behaves in certain ways. This can have a resultant out-of-bounds write or use-after-free.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-28032
- cpe:2.3:a:nano_arena_project:nano_arena:*:*:*:*:*:rust:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28032
0.47%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28032
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
References for CVE-2021-28032
-
https://rustsec.org/advisories/RUSTSEC-2021-0031.html
RUSTSEC-2021-0031: nano_arena: split_at allows obtaining multiple mutable references to the same data › RustSec Advisory DatabaseExploit;Patch;Third Party Advisory
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