SB2021092914 - Path traversal in ClairCore for Quay
Published: September 29, 2021
Security Bulletin ID
SB2021092914
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) Path traversal (CVE-ID: CVE-2021-3762)
The vulnerability allows a remote attacker to write arbitrary files to the system.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can supply a specially crafted container image which, when scanned by Clair, will allow to write arbitrary files on he filesystem.
Successful exploitation of the vulnerability may allow an attacker to compromise the affected system.
Remediation
Install update from vendor's website.