Vulnerability Details : CVE-2020-35711
An issue has been discovered in the arc-swap crate before 0.4.8 (and 1.x before 1.1.0) for Rust. Use of arc_swap::access::Map with the Constant test helper (or with a user-supplied implementation of the Access trait) could sometimes lead to dangling references being returned by the map.
Products affected by CVE-2020-35711
- cpe:2.3:a:arc-swap_project:arc-swap:*:*:*:*:*:*:*:*
- cpe:2.3:a:arc-swap_project:arc-swap:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-35711
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-35711
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
References for CVE-2020-35711
-
https://rustsec.org/advisories/RUSTSEC-2020-0091.html
RUSTSEC-2020-0091: arc-swap: Dangling reference in `access::Map` with Constant › RustSec Advisory DatabaseThird Party Advisory
-
https://github.com/vorner/arc-swap/issues/45
MapGuard dereferences to a dangling pointer · Issue #45 · vorner/arc-swap · GitHubExploit;Patch;Third Party Advisory
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