CVE-2018-1100

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://sourceforge.net/p/zsh/code/ci/31f72205630687c1cef89347863aab355296a27f/	Patch
https://bugzilla.redhat.com/show_bug.cgi?id=1563395	Issue Tracking Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1932	Third Party Advisory
https://usn.ubuntu.com/3764-1/	Third Party Advisory
https://security.gentoo.org/glsa/201805-10	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3073	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::

Configuration 3 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::*

Information

Published : 2018-04-11 12:29

Updated : 2023-02-12 20:53

NVD link : CVE-2018-1100

Mitre link : CVE-2018-1100

JSON object : View

CWE

CWE-121

Stack-based Buffer Overflow

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Products Affected

redhat

enterprise_linux_desktop
enterprise_linux_workstation
enterprise_linux_server

zsh

canonical

ubuntu_linux

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7.8 /10