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Vulnerability · Published Apr 14, 2021 · Assigned by mitre

CVE-2020-36323

High 8.2

In plain English

A high-severity security flaw in the chromium-rust package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.2High
Exploit odds (30 days)2.0%top 18.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the standard library in Rust before 1.52.0, there is an optimization for joining strings that can cause uninitialized bytes to be exposed (or the program to crash) if the borrowed string changes after its length is checked.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.24chromium-rust1.51.0-r2ALPINE-CVE-2020-36323
Alpine:v3.20rust1.51.0-r2ALPINE-CVE-2020-36323
Alpine:v3.21rust1.51.0-r2ALPINE-CVE-2020-36323
Alpine:v3.22rust1.51.0-r2ALPINE-CVE-2020-36323
Alpine:v3.23rust1.51.0-r2ALPINE-CVE-2020-36323
Alpine:v3.24rust1.51.0-r2ALPINE-CVE-2020-36323
Debian:12rustc1.53.0+dfsg1-1DEBIAN-CVE-2020-36323
Debian:13rustc1.53.0+dfsg1-1DEBIAN-CVE-2020-36323
Debian:14rustc1.53.0+dfsg1-1DEBIAN-CVE-2020-36323
Rocky Linux:8rust0:1.52.1-1.module+el8.4.0+641+ca238f88RLSA-2021:3063
Rocky Linux:8rust-toolset0:1.52.1-1.module+el8.4.0+641+ca238f88RLSA-2021:3063
Ubuntu:22.04:LTSrustc1.53.0+dfsg1+llvm-4ubuntu1UBUNTU-CVE-2020-36323

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References