CVE-2018-7549

In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://access.redhat.com/errata/RHSA-2018:3073	Third Party Advisory
https://security.gentoo.org/glsa/201805-10	Third Party Advisory
https://sourceforge.net/p/zsh/code/ci/c2cc8b0fbefc9868fa83537f5b6d90fc1ec438dd	Patch Third Party Advisory
https://usn.ubuntu.com/3593-1/	Third Party Advisory

Configurations

Configuration 1 (hide)

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

Configuration 2 (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:::::::*

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:::::::*

History

No history.

Information

Published : 2018-02-27 22:29

Updated : 2024-02-04 19:46

NVD link : CVE-2018-7549

Mitre link : CVE-2018-7549

CVE.ORG link : CVE-2018-7549

JSON object : View

Products Affected

canonical

ubuntu_linux

redhat

enterprise_linux_workstation
enterprise_linux_server
enterprise_linux_desktop

zsh

zsh

CWE

CWE-20

Improper Input Validation

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