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CVE-2021-31162

Date: April 13, 2021

In the standard library in Rust before 1.52.0, a double free can occur in the Vec::from_iter function if freeing the element panics.

Language: RUST

Severity Score

9.8

Related Resources (16)

Url: https://github.com/rust-lang/rust/pull/84603

Url: https://security.alpinelinux.org/vuln/CVE-2021-31162

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TFUO3URYCO73D2Q4WYJBWAMJWGGVXQO4/

Url: https://security.gentoo.org/glsa/202210-09

Url: https://access.redhat.com/security/cve/CVE-2021-31162

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VZG65GUW6Z2CYOQHF7T3TB5CZKIX6ZJE/

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-31162

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TFUO3URYCO73D2Q4WYJBWAMJWGGVXQO4/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-31162

Url: https://security-tracker.debian.org/tracker/CVE-2021-31162

Url: https://github.com/rust-lang/rust/issues/83618

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CZ337CM4GFJLRDFVQCGC7J25V65JXOG5/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZG65GUW6Z2CYOQHF7T3TB5CZKIX6ZJE/

Url: https://github.com/rust-lang/rust/pull/83629

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CZ337CM4GFJLRDFVQCGC7J25V65JXOG5/

Url: https://www.mend.io/vulnerability-database/CVE-2021-31162

Severity Score

9.8

Weakness Type (CWE)

Double Free

CWE-415

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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