Denial of service in CRI-O



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-6476
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
 CRI-O
Web applications / Modules and components for CMS

Vendor CRI-O

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU85580

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-6476

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to unchecked access to an experimental annotation. A remote user can use the cgroupv2 and perform a denial of service (DoS) attack by consuming all available memory resources.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CRI-O: 1.27.0 - 1.29.0

CPE2.3 External links

https://github.com/cri-o/cri-o/security/advisories/GHSA-p4rx-7wvg-fwrc


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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