CVE-2020-25792 json
An issue was discovered in the sized-chunks crate through 0.6.2 for Rust.
published 6y ago modified 4mo ago also EUVD-2021-1805
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
An issue was discovered in the sized-chunks crate through 0.6.2 for Rust. In the Chunk implementation, the array size is not checked when constructed with pair().
Patch / fix
- rust-sized-chunks Debian 14, Debian 13, Debian 12 0.6.5-1
debian advisories DEBIAN-CVE-2020-25792
- rust-sized-chunks Ubuntu Pro 20.04 LTS 0.3.1-1ubuntu0.1~esm1
ubuntu advisories UBUNTU-CVE-2020-25792
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Is CVE-2020-25792 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
2.92% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/bodil/sized-chunks/issues/11 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-129 Improper Validation of Array Index
References
- github.com /bodil/sized-chunks/commit/3ae48bd463c1af41c24b96b84079946f51f51e3c
-
github.com
/bodil/sized-chunks/issues/11
exploit, patch, third-party-advisory
-
rustsec.org
/advisories/RUSTSEC-2020-0041.html
third-party-advisory
Sources
- CVE List CVE-2020-25792
- NVD CVE-2020-25792
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