CVE-2018-1100: Buffer Overflow
First published: Tue Apr 03 2018(Updated: )
Last updated 24 July 2024
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Zsh Zsh | <=5.4.2 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| 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 | |
| debian/zsh | 5.8-6+deb11u1 5.9-4 5.9-8 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2018:1932
- https://access.redhat.com/errata/RHSA-2018:3073
- https://bugzilla.redhat.com/show_bug.cgi?id=1563395
- https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
- https://security.gentoo.org/glsa/201805-10
- https://sourceforge.net/p/zsh/code/ci/31f72205630687c1cef89347863aab355296a27f/
- https://usn.ubuntu.com/3764-1/
- https://launchpad.net/bugs/cve/CVE-2018-1100
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1563396
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1563394
- https://www.zsh.org/cgi-bin/mla/redirect?WORKERNUMBER=42607
- https://security-tracker.debian.org/tracker/CVE-2018-1100
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1100
- https://nvd.nist.gov/vuln/detail/CVE-2018-1100
- https://ubuntu.com/security/CVE-2018-1100
Frequently Asked Questions
What is CVE-2018-1100?
CVE-2018-1100 is a vulnerability in zsh through version 5.4.2 that allows a local attacker to execute arbitrary code in the context of another user.
How severe is CVE-2018-1100?
CVE-2018-1100 has a severity rating of 7.8 (high).
Which software versions are affected by CVE-2018-1100?
CVE-2018-1100 affects zsh versions up to and including 5.4.2.
Are there any remedies for CVE-2018-1100?
Yes, updating zsh to version 5.7.1-1+deb10u1 or later, or 5.8-6+deb11u1 or later can remedy CVE-2018-1100.
Where can I find more information about CVE-2018-1100?
More information about CVE-2018-1100 can be found in the following references: [link1](https://access.redhat.com/errata/RHSA-2018:1932), [link2](https://access.redhat.com/errata/RHSA-2018:3073), [link3](https://bugzilla.redhat.com/show_bug.cgi?id=1563395).
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