Path traversal in ClairCore - CVE-2021-3762

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU56930

Path traversal in ClairCore - CVE-2021-3762

Published: September 29, 2021


Vulnerability identifier: #VU56930
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-3762
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
ClairCore
Software vendor:
Red Hat Inc.

Description

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.

External links