Vulnerability Report

CVE-2020-36323

Title: Rust-Lang Rust

Other

Proof Of Concept

No public PoC currently indexed for CVE-2020-36323.

CWE Category CWE-134
Published Date Apr 14, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 8.2 CVSS v3.1
Exploit Probability (EPSS)
1.01%

Vulnerability Summary

CVE-2020-36323: 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.

Impacted Vendors

R
rust-lang 1

Reference Links

https://github.com/rust-lang/rust/issues/80335 https://github.com/rust-lang/rust/pull/81728 https://github.com/rust-lang/rust/pull/81728#issuecomment-821549174 https://github.com/rust-lang/rust/pull/81728#issuecomment-824904190 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CZ337CM4GFJLRDFVQCGC7J25V65JXOG5/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TFUO3URYCO73D2Q4WYJBWAMJWGGVXQO4/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZG65GUW6Z2CYOQHF7T3TB5CZKIX6ZJE/ https://github.com/rust-lang/rust/issues/80335 https://github.com/rust-lang/rust/pull/81728 https://github.com/rust-lang/rust/pull/81728#issuecomment-821549174 https://github.com/rust-lang/rust/pull/81728#issuecomment-824904190 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CZ337CM4GFJLRDFVQCGC7J25V65JXOG5/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TFUO3URYCO73D2Q4WYJBWAMJWGGVXQO4/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZG65GUW6Z2CYOQHF7T3TB5CZKIX6ZJE/
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.2
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.4
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-36323 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Affected Stack

No specific products linked.