Path traversal in ClairCore for Quay
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-3762 |
| CWE-ID | CWE-22 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
ClairCore Universal components / Libraries / Libraries used by multiple products |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Path traversal
EUVDB-ID: #VU56930
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3762
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe 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.
Install update from vendor's website.
Vulnerable software versionsClairCore: 0.4.0 - 0.5.4
External linkshttp://bugzilla.redhat.com/show_bug.cgi?id=2000795
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
