SB2019083040 - Race condition in zstd (Alpine package)
Published: August 30, 2019
Security Bulletin ID
SB2019083040
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2019-11922)
The vulnerability allows an attacker to execute arbitrary code on the target system.
The vulnerability exists due to a race condition in the one-pass compression functions. A remote attacker can exploit the race and write bytes out of bounds if an output buffer smaller than the recommended size was used.
Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code on the target system.
Remediation
Install update from vendor's website.