CVE-2022-4318
HIGHCVSS 7.8/10EPSS 0.27%
Last modified
CVE-2022-4318 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A vulnerability was found in cri-o. This issue allows the addition of arbitrary lines into /etc/passwd by use of a specially crafted environment variable.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
A vulnerability was found in cri-o. This issue allows the addition of arbitrary lines into /etc/passwd by use of a specially crafted environment variable.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | Cri-O | All versions |
| Redhat | Openshift Container Platform For Arm64 | 4.12 |
| Redhat | Openshift Container Platform For Linuxone | 4.12 |
| Redhat | Openshift Container Platform For Power | 4.12 |
| Redhat | Openshift Container Platform Ibm Z Systems | 4.12 |
| Fedoraproject | Extra Packages For Enterprise Linux | 8.0 |
| Fedoraproject | Fedora | 36 |
| Fedoraproject | Fedora | 37 |
| Redhat | Openshift Container Platform For Arm64 | 4.11 |
| Redhat | Openshift Container Platform For Linuxone | 4.11 |
| Redhat | Openshift Container Platform For Power | 4.11 |
| Redhat | Openshift Container Platform Ibm Z Systems | 4.11 |
References
- https://access.redhat.com/errata/RHSA-2023:1033Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:1503Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2022-4318Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2152703Issue Tracking, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:1033Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:1503Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2022-4318Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2152703Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-4318?
A vulnerability was found in cri-o. This issue allows the addition of arbitrary lines into /etc/passwd by use of a specially crafted environment variable.
How severe is CVE-2022-4318?
CVE-2022-4318 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2022-4318?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-4318?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST