VulnerabilityModified
CVE-2021-3762
A directory traversal vulnerability was found in the ClairCore engine of Clair.
CRITICAL 9.8EPSS 4.81%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.81% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- redhat/clair · redhat/quay
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2000795Issue Tracking, Patch, Third Party Advisory
- https://github.com/quay/clair/pull/1379Patch, Third Party Advisory
- https://github.com/quay/clair/pull/1380Patch, Third Party Advisory
- https://github.com/quay/claircore/commit/691f2023a1720a0579e688b69a2f4bfe1f4b7821Patch, Third Party Advisory
- https://github.com/quay/claircore/pull/478Patch, Third Party Advisory
- https://vulmon.com/exploitdetails?qidtp=maillist_oss_security&qid=d19fce9ede06e13dfb5630ece7f14f83Exploit, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2000795Issue Tracking, Patch, Third Party Advisory
- https://github.com/quay/clair/pull/1379Patch, Third Party Advisory
- https://github.com/quay/clair/pull/1380Patch, Third Party Advisory
- https://github.com/quay/claircore/commit/691f2023a1720a0579e688b69a2f4bfe1f4b7821Patch, Third Party Advisory
- https://github.com/quay/claircore/pull/478Patch, Third Party Advisory
- https://vulmon.com/exploitdetails?qidtp=maillist_oss_security&qid=d19fce9ede06e13dfb5630ece7f14f83Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.