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Public proof of conceptFix available

CVE-2020-25792

A public proof of concept exists; no exploitation attested.

  • Published2020-09-19
  • Fixed in0.6.3
  • WeaknessCWE-129

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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().

Timeline

dates in UTC
  1. 2020-09-1921:15CVE publishedNVD

Versions per branch

OSV · NVD
sized-chunks
BranchAffectedFixed in
0.x≥ 0.0.0-0, < 0.6.30.6.3
0.6< 0.6.30.6.3
Sized-chunks project sized-chunks
BranchAffectedFixed in
0.6≤ 0.6.2no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • rust-sized-chunksUbuntu:Pro:20.04:LTSall versions · fixed in 0.3.1-1ubuntu0.1~esm1
  • rust-sized-chunksDebian:14all versions · fixed in 0.6.5-1
  • rust-sized-chunksDebian:13all versions · fixed in 0.6.5-1
  • rust-sized-chunksDebian:12all versions · fixed in 0.6.5-1

Full record on NVD

Fix

  1. Update sized-chunks to 0.6.3

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-09-19
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-64gv-qg2v-vxv6 GHSA-9p9m-9xww-qjcx GHSA-fqpx-cq8x-9wp4 GHSA-mp6f-p9gp-vpj9 GHSA-rfgg-vccr-m46m GHSA-x54v-qxxr-93qc

Frequently asked questions

What is CVE-2020-25792?

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().

Is CVE-2020-25792 actively exploited?

A proof-of-concept exploit exists for CVE-2020-25792, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2020-25792?

CVE-2020-25792 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record