CVE-2018-0502

An issue was discovered in zsh before 5.6. The beginning of a #! script file was mishandled, potentially leading to an execve call to a program named on the second line.

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://www.zsh.org/mla/zsh-announce/136	Mailing List Vendor Advisory
https://sourceforge.net/p/zsh/code/ci/1c4c7b6a4d17294df028322b70c53803a402233d	Patch Third Party Advisory
https://bugs.debian.org/908000	Mailing List Patch Third Party Advisory
https://usn.ubuntu.com/3764-1/	Third Party Advisory
https://security.gentoo.org/glsa/201903-02	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html

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Configurations

Configuration 1 (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 2 (hide)

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

Information

Published : 2018-09-05 01:29

Updated : 2020-11-30 23:15

NVD link : CVE-2018-0502

Mitre link : CVE-2018-0502

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

canonical

ubuntu_linux

zsh

zsh

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