PT-2021-12002 · Rust+6 · Rust+6

Lcnr · Published 2021-01-12 · Updated 2021-06-12 · CVE-2020-36318

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Rust versions prior to 1.49.0

Description: The issue is related to a bug in the standard library of Rust, specifically in the VecDeque::make contiguous function. This bug can cause the same element to be popped more than once under certain conditions, potentially leading to a use-after-free or double free error.

Recommendations: For versions prior to 1.49.0, update to version 1.49.0 or later to resolve the issue.

Exploit

Fix

Double Free

Use After Free

Weakness Enumeration

CWE-415

CWE-416

Related Identifiers

ALT-PU-2021-1029

CESA-2021_1935

CVE-2020-36318

OESA-2021-1214

RHSA-2021:1935

RHSA-2021:2243

RHSA-2021_1935

RLSA-2021:1935

Affected Products

Alt Linux

Astra Linux

Centos

Debian

Red Hat

Rocky Linux

Rust

References · 24

• 🔥 https://github.com/rust-lang/rust/issues/79808 · Exploit
• https://github.com/rust-lang/rust/pull/79814 · Patch
• https://ubuntu.com/security/CVE-2020-36318 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2021:1935 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-36318 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-36318 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-36323 · Security Note
• https://osv.dev/vulnerability/RLSA-2021:1935 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-36317 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2020-36318 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-36318 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-36318 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-28879 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-28875 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-28876 · Security Note