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CVE-2022-1271

8.8 · HIGH

An arbitrary file write vulnerability was found in GNU gzip's zgrep utility.

Published Aug 31, 2022CWE-179EPSS 5.21%

Overview

CVE-2022-1271 is a high-severity vulnerability. It was published on August 31, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

An arbitrary file write vulnerability was found in GNU gzip's zgrep utility. When zgrep is applied on the attacker's chosen file name (for example, a crafted file name), this can overwrite an attacker's content to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation when processing filenames with two or more newlines where selected content and the target file names are embedded in crafted multi-line file names. This flaw allows a remote, low privileged attacker to force zgrep to write arbitrary files on the system.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refaccess.redhat.com/security/cve/CVE-2022-1271Refbugzilla.redhat.com/show_bug.cgi?id=2073310Refgit.tukaani.org/?p=xz.git%3Ba=commit%3Bh=69d1b3fc29677af8ade8dc15dba83f0589cb63d6Reflists.gnu.org/r/bug-gzip/2022-04/msg00011.htmlRefsecurity-tracker.debian.org/tracker/CVE-2022-1271Refsecurity.gentoo.org/glsa/202209-01Refsecurity.netapp.com/advisory/ntap-20220930-0006/Reftukaani.org/xz/xzgrep-ZDI-CAN-16587.patchRefwww.openwall.com/lists/oss-security/2022/04/07/8Refaccess.redhat.com/security/cve/CVE-2022-1271

How CyberStrike helps

Frequently asked questions

What is CVE-2022-1271?

CVE-2022-1271 is a high-severity vulnerability. It was published on August 31, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2022-1271?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-1271?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-1271?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-1271 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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