CVE-2021-38191 : An issue was discovered in the tokio crate before 1.8.1 for Rust. Upon a JoinHan

An issue was discovered in the tokio crate before 1.8.1 for Rust. Upon a JoinHandle::abort, a Task may be dropped in the wrong thread.

Published 2021-08-08 06:15:09

Updated 2022-11-03 02:51:18

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-38191

Tokio » Tokio » For Rust
Versions from including (>=) 1.6.0 and before (<) 1.6.3
cpe:2.3:a:tokio:tokio:*:*:*:*:*:rust:*:*
Matching versions
Tokio » Tokio » For Rust
Versions from including (>=) 0.3.0 and before (<) 1.5.1
cpe:2.3:a:tokio:tokio:*:*:*:*:*:rust:*:*
Matching versions
Tokio » Tokio » For Rust
Versions from including (>=) 1.7.0 and before (<) 1.7.2
cpe:2.3:a:tokio:tokio:*:*:*:*:*:rust:*:*
Matching versions
Tokio » Tokio » Version: 1.8.0
cpe:2.3:a:tokio:tokio:1.8.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.10%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 43 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.9	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	2.2	3.6	NIST
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Assigned by: nvd@nist.gov (Primary)

https://rustsec.org/advisories/RUSTSEC-2021-0072.html

RUSTSEC-2021-0072: tokio: Task dropped in wrong thread when aborting `LocalSet` task › RustSec Advisory Database
Exploit;Issue Tracking;Patch;Third Party Advisory
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tokio/RUSTSEC-2021-0072.md

Third Party Advisory

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