Vulnerability Description
zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zsh | Zsh | <= 5.4.2 |
| Canonical | Ubuntu Linux | 14.04 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Workstation | 6.0 |
Related Weaknesses (CWE)
References
- 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=1563395Issue TrackingThird 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/31f72205630687c1cef89347863aab355296a27f/Patch
- https://usn.ubuntu.com/3764-1/Third Party Advisory
- 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=1563395Issue TrackingThird 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/31f72205630687c1cef89347863aab355296a27f/Patch
- https://usn.ubuntu.com/3764-1/Third Party Advisory
FAQ
What is CVE-2018-1100?
CVE-2018-1100 is a vulnerability with a CVSS score of 7.8 (HIGH). zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another ...
How severe is CVE-2018-1100?
CVE-2018-1100 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-1100?
Check the references section above for vendor advisories and patch information. Affected products include: Zsh Zsh, Canonical Ubuntu Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.