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.

CVSS v3 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://www.securityfocus.com/bid/103359	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3073	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1553531	Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00038.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
https://security.gentoo.org/glsa/201805-10	Third Party Advisory
https://usn.ubuntu.com/3608-1/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:zsh:zsh:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*

Configuration 4 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*

History

No history.

Information

Published : 2018-03-09 15:29

Updated : 2023-02-12 23:32

NVD link : CVE-2018-1071

Mitre link : CVE-2018-1071

CVE.ORG link : CVE-2018-1071

JSON object : View

Products Affected

zsh

zsh

redhat

enterprise_linux_server
enterprise_linux_desktop
enterprise_linux_workstation

canonical

ubuntu_linux

debian

debian_linux

CWE

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write

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