CVE-2018-1071
MEDIUMCVSS 5.5/10EPSS 0.45%
Last modified
CVE-2018-1071 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zsh | Zsh | <= 5.4.2 |
| Debian | Debian Linux | 7.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 17.10 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
References
- http://www.securityfocus.com/bid/103359Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3073Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1553531Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00038.htmlMailing List, Third Party Advisory
- 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 Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3073Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1553531Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00038.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201805-10Third Party Advisory
- https://usn.ubuntu.com/3608-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-1071?
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 a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.
How do I fix CVE-2018-1071?
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-2018-1071?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST