Vulnerability identifier: #VU62796
Vulnerability risk: Low
CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-276
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
CRI-O
Web applications /
Modules and components for CMS
Vendor: CRI-O
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to containers are incorrectly started with non-empty default permissions within in Moby (Docker Engine). An attacker with access to programs with inheritable file capabilities can elevate those capabilities to the permitted set when execve(2) runs.
Mitigation
Install update from vendor's website.
Vulnerable software versions
CRI-O: 0.0.0 - 1.23.2
External links
http://github.com/cri-o/cri-o/security/advisories/GHSA-4hj2-r2pm-3hc6
http://bugzilla.redhat.com/show_bug.cgi?id=2066839
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.