[manjaro-security] [ASA-201809-3] zsh: insufficient validation
Jelle van der Waa
jelle at archlinux.org
Tue Sep 25 13:06:11 CEST 2018
Arch Linux Security Advisory ASA-201809-3
Date : 2018-09-24
CVE-ID : CVE-2018-0502 CVE-2018-13259
Package : zsh
Type : insufficient validation
Remote : No
Link : https://security.archlinux.org/AVG-764
The package zsh before version 5.6-1 is vulnerable to insufficient
Upgrade to 5.6-1.
# pacman -Syu "zsh>=5.6-1"
The problems have been fixed upstream in version 5.6.
- CVE-2018-0502 (insufficient validation)
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.
- CVE-2018-13259 (insufficient validation)
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.
A local attacker is able to execute arbitrary commands via a specially
crafted shell script.
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