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CVE-2018-1083

7.8 · HIGH

Zsh before version 5.4.2-test-1 is vulnerable to a buffer overflow in the shell autocomplete functionality.

Published Mar 28, 2018CWE-120EPSS 0.59%

Overview

CVE-2018-1083 is a high-severity vulnerability. It was published on March 28, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Zsh before version 5.4.2-test-1 is vulnerable to a buffer overflow in the shell autocomplete functionality. A local unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use autocomplete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation.

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

Refwww.securityfocus.com/bid/103572Refaccess.redhat.com/errata/RHSA-2018:1932Refaccess.redhat.com/errata/RHSA-2018:3073Refbugzilla.redhat.com/show_bug.cgi?id=1557382Reflists.debian.org/debian-lts-announce/2018/03/msg00038.htmlReflists.debian.org/debian-lts-announce/2020/12/msg00000.htmlRefsecurity.gentoo.org/glsa/201805-10Refsourceforge.net/p/zsh/code/ci/259ac472eac291c8c103c7a0d8a4eaf3c2942ed7Refusn.ubuntu.com/3608-1/Refwww.securityfocus.com/bid/103572

How CyberStrike helps

Frequently asked questions

What is CVE-2018-1083?

CVE-2018-1083 is a high-severity vulnerability. It was published on March 28, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2018-1083?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-1083?

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-2018-1083?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-1083 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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