SB2020122125 - Race condition in try-mutex crate for Rust
Published: December 21, 2020
Security Bulletin ID
SB2020122125
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: N/A)
The vulnerability allows an attacker to escalate privileges within the application.
The vulnerability exists due to unconditional implementation of Sync trait for TryMutex type. An attacker can exploit the race to put non-Send T type in TryMutex and send it to another thread.
Remediation
Install update from vendor's website.