Vulnerability Description
zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zsh | Zsh | <= 5.4.2 |
| Debian | Debian Linux | 7.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/103359Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:3073Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1553531Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00038.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
- https://security.gentoo.org/glsa/201805-10Third Party Advisory
- https://usn.ubuntu.com/3608-1/Third Party Advisory
- http://www.securityfocus.com/bid/103359Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:3073Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1553531Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00038.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
- https://security.gentoo.org/glsa/201805-10Third Party Advisory
- https://usn.ubuntu.com/3608-1/Third Party Advisory
FAQ
What is CVE-2018-1071?
CVE-2018-1071 is a vulnerability with a CVSS score of 5.5 (MEDIUM). zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.
How severe is CVE-2018-1071?
CVE-2018-1071 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-1071?
Check the references section above for vendor advisories and patch information. Affected products include: Zsh Zsh, Debian Debian Linux, Canonical Ubuntu Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server.