Vulnerability CVE-2018-13259
Published: 2018-09-05

Description:
An issue was discovered in zsh before 5.6. Shebang lines exceeding 64 characters were truncated, potentially leading to an execve call to a program name that is a substring of the intended one.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
ZSH -> ZSH 
Canonical -> Ubuntu linux 

 References:
https://access.redhat.com/errata/RHSA-2019:2017
https://bugs.debian.org/908000
https://security.gentoo.org/glsa/201903-02
https://sourceforge.net/p/zsh/code/ci/1c4c7b6a4d17294df028322b70c53803a402233d
https://usn.ubuntu.com/3764-1/
https://www.zsh.org/mla/zsh-announce/136
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