Stack overflow

2018-03-0915:29:00

PRIOn knowledge base

www.prio-n.com

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6.2 Medium

AI Score

Confidence

High

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.4%

JSON

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.

CPENameOperatorVersion
ubuntu_linuxeq16.04
ubuntu_linuxeq14.04
ubuntu_linuxeq17.10
debian_linuxeq7.0
enterprise_linux_desktopeq7.0
enterprise_linux_servereq7.0
enterprise_linux_workstationeq7.0
zshle5.4.2

Name	Operator	Version
ubuntu_linux	eq	16.04
ubuntu_linux	eq	14.04
ubuntu_linux	eq	17.10
debian_linux	eq	7.0
enterprise_linux_desktop	eq	7.0
enterprise_linux_server	eq	7.0
enterprise_linux_workstation	eq	7.0
zsh	le	5.4.2