Multiple vulnerabilities in CRI-O
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-4318 CVE-2022-2995 |
| CWE-ID | CWE-20 CWE-284 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
CRI-O Web applications / Modules and components for CMS |
| Vendor | CRI-O |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Input validation error
EUVDB-ID: #VU70478
Risk: Low
CVSSv3.1: 4.1 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-4318
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to bypass certain security restrictions.
The vulnerability exists due to improper input validation when handling newline characters in environment variables. A local user can create a specially crafted environment variable and add entries to a container's /etc/passwd. It is also possible to circumvent admission validation of username/UID by adding such an entry.
MitigationInstall update from vendor's website.
Vulnerable software versionsCRI-O: 1.24.0 - 1.25.2
External linkshttp://github.com/cri-o/cri-o/releases/tag/v1.24.5
http://github.com/cri-o/cri-o/releases/tag/v1.25.3
Q & A
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.
2) Improper access control
EUVDB-ID: #VU66817
Risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-2995
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to incorrect handling of the supplementary groups. A local user can bypass implemented security restrictions, leading to sensitive information disclosure or possible data modification.
MitigationInstall update from vendor's website.
Vulnerable software versionsCRI-O: 1.24.0 - 1.24.4
External linkshttp://github.com/cri-o/cri-o/releases/tag/v1.24.5
Q & A
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.
