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CVE-2018-1071

Good to know:

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Date: March 9, 2018

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.

Language: C

Severity Score

Related Resources (13)

https://nvd.nist.gov/vuln/detail/CVE-2018-1071
https://access.redhat.com/errata/RHSA-2018:3073
https://security-tracker.debian.org/tracker/CVE-2018-1071
https://security.gentoo.org/glsa/201805-10
https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
https://access.redhat.com/security/cve/CVE-2018-1071
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-1071
https://security.alpinelinux.org/vuln/CVE-2018-1071
https://usn.ubuntu.com/3608-1/
http://www.securityfocus.com/bid/103359
https://lists.debian.org/debian-lts-announce/2018/03/msg00038.html
https://bugzilla.redhat.com/show_bug.cgi?id=1553531
https://www.mend.io/vulnerability-database/CVE-2018-1071

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Out-of-bounds Write

CWE-787

Stack-based Buffer Overflow

CWE-121

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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