CVE-2021-3762 Information

Description

A directory traversal vulnerability was found in the ClairCore engine of Clair. An attacker can exploit this by supplying a crafted container image which when scanned by Clair allows for arbitrary file write on the filesystem potentially allowing for remote code execution.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=2000795 https://github.com/quay/clair/pull/1380 https://github.com/quay/claircore/commit/691f2023a1720a0579e688b69a2f4bfe1f4b7821 https://github.com/quay/claircore/pull/478 https://vulmon.com/exploitdetails?qidtp=maillist_oss_security&qid=d19fce9ede06e13dfb5630ece7f14f83 https://github.com/quay/clair/pull/1379

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8