CVE-2017-18206

In utils.c in zsh before 5.4, symlink expansion had a buffer overflow.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://sourceforge.net/p/zsh/code/ci/c7a9cf465dd620ef48d586026944d9bd7a0d5d6d	Patch Third Party Advisory
https://usn.ubuntu.com/3593-1/	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1932	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

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

Information

Published : 2018-02-27 14:29

Updated : 2020-11-30 23:15

NVD link : CVE-2017-18206

Mitre link : CVE-2017-18206

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

canonical

ubuntu_linux

zsh

zsh

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