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CVE-2020-36323

Published: Apr 14, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-134
8.2HIGH
NVD MITRE
EPSS Score
2.0%
Top 21.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-134

Affected Products

n/an/a
rustrust-lang
Library
OSS Libraries / generic-library
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
rust-langoss-projectOSS Librariesaka rust, cargo, async-h1
fedoraprojectoss-projectUSOperating Systemsaka fedora project

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Execution
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References

https://github.com/rust-lang/rust/issues/80335
github.com
https://github.com/rust-lang/rust/pull/81728
github.com
https://github.com/rust-lang/rust/pull/81728#issuecomment-821549174
github.com
and 4 more references View all →

Timeline

Published
Apr 14, 2021
Last Updated
Nov 21, 2024

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