CVE-2018-13259 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8