CVE-2022-4170
CRITICALCVSS 9.8/10EPSS 2.06%
Last modified
CVE-2022-4170 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The rxvt-unicode package is vulnerable to a remote code execution, in the Perl background extension, when an attacker can control the data written to the user's terminal and certain options are set.. EPSS estimates a 2.06% chance of exploitation in the next 30 days.
Description
The rxvt-unicode package is vulnerable to a remote code execution, in the Perl background extension, when an attacker can control the data written to the user's terminal and certain options are set.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rxvt-Unicode Project | Rxvt-Unicode | 9.25 |
| Rxvt-Unicode Project | Rxvt-Unicode | 9.26 |
| Fedoraproject | Extra Packages For Enterprise Linux | 8.0 |
| Fedoraproject | Fedora | 37 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2151597Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202310-20Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/12/05/1Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2151597Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202310-20Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/12/05/1Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-4170?
The rxvt-unicode package is vulnerable to a remote code execution, in the Perl background extension, when an attacker can control the data written to the user's terminal and certain options are set.
How severe is CVE-2022-4170?
CVE-2022-4170 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.06% probability of exploitation in the next 30 days.
How do I fix CVE-2022-4170?
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.
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Are you affected by CVE-2022-4170?
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