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Vulnerability Details : 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.
Publish Date : 2018-03-09 Last Update Date : 2019-10-09
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflow
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2018:3073: zsh security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20183073 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2018-1071

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 14.04 ~~lts~~~ Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 16.04 ~~lts~~~ Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 17.10 Version Details Vulnerabilities
4 OS Debian Debian Linux 7.0 Version Details Vulnerabilities
5 OS Redhat Enterprise Linux Desktop 7.0 Version Details Vulnerabilities
6 OS Redhat Enterprise Linux Server 7.0 Version Details Vulnerabilities
7 OS Redhat Enterprise Linux Workstation 7.0 Version Details Vulnerabilities
8 Application ZSH ZSH 5.4.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 3
Debian Debian Linux 1
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Workstation 1
ZSH ZSH 1

- References For CVE-2018-1071

https://usn.ubuntu.com/3608-1/
UBUNTU USN-3608-1
https://security.gentoo.org/glsa/201805-10
GENTOO GLSA-201805-10
https://lists.debian.org/debian-lts-announce/2018/03/msg00038.html
MLIST [debian-lts-announce] 20180331 [SECURITY] [DLA 1335-1] zsh security update
https://bugzilla.redhat.com/show_bug.cgi?id=1553531 CONFIRM
https://access.redhat.com/errata/RHSA-2018:3073
REDHAT RHSA-2018:3073
http://www.securityfocus.com/bid/103359
BID 103359 Zsh 'exec.c:hashcmd()' Function Local Denial of Service Vulnerability Release Date:2018-03-09

- Metasploit Modules Related To CVE-2018-1071

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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