CVE-2018-1083

Name: CVE-2018-1083
Creator: NVD / NIST
Published: 2018-03-28T13:29:00.213+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.63%

Last modified Jun 17, 2026

CVE-2018-1083 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.63%

45.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zsh	Zsh	<= 5.4.1
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	17.10
Debian	Debian Linux	7.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0

References

http://www.securityfocus.com/bid/103572Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:1932Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3073Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1557382Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00038.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
https://security.gentoo.org/glsa/201805-10Third Party Advisory
https://sourceforge.net/p/zsh/code/ci/259ac472eac291c8c103c7a0d8a4eaf3c2942ed7Patch, Third Party Advisory
https://usn.ubuntu.com/3608-1/Third Party Advisory
http://www.securityfocus.com/bid/103572Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:1932Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3073Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1557382Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00038.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
https://security.gentoo.org/glsa/201805-10Third Party Advisory
https://sourceforge.net/p/zsh/code/ci/259ac472eac291c8c103c7a0d8a4eaf3c2942ed7Patch, Third Party Advisory
https://usn.ubuntu.com/3608-1/Third Party Advisory

Timeline

Published: Mar 28, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1083?

How severe is CVE-2018-1083?

Severity scoring for CVE-2018-1083 is pending analysis. The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1083?

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.

Are you affected by CVE-2018-1083?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST