[manjaro-security] [ASA-201806-11] pass: arbitrary code execution
santiago at archlinux.org
Tue Jun 19 23:18:05 CEST 2018
Arch Linux Security Advisory ASA-201806-11
Date : 2018-06-19
CVE-ID : CVE-2018-12356
Package : pass
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-720
The package pass before version 1.7.2-1 is vulnerable to arbitrary code
Upgrade to 1.7.2-1.
# pacman -Syu "pass>=1.7.2-1"
The problem has been fixed upstream in version 1.7.2.
You can make sure arbitrary code execution is not possible by disabling
pass's extension facility:
An issue was discovered in password-store.sh in pass in Simple Password
Store 1.7 through 1.7.1. The signature verification routine parses the
output of GnuPG with an incomplete regular expression, which allows
remote attackers to spoof file signatures on configuration files and
extensions scripts. Modifying the configuration file allows the
attacker to inject additional encryption keys under their control,
thereby disclosing passwords to the attacker. Modifying the extension
scripts allows the attacker arbitrary code execution.
A remote attacker is able to bypass signature verification and register
arbitrary keys for an account or execute arbitrary code on the host by
providing the application a crafted pgp signature packet.
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