[manjaro-security] [ASA-201801-14] nrpe: arbitrary command execution

[Levente Polyak]

Arch Linux Security Advisory ASA-201801-14
==========================================

Severity: High
Date    : 2018-01-18
CVE-ID  : CVE-2013-1362 CVE-2014-2913
Package : nrpe
Type    : arbitrary command execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-587

Summary
=======

The package nrpe before version 3.2.1-3 is vulnerable to arbitrary
command execution.

Resolution
==========

Upgrade to 3.2.1-3.

# pacman -Syu "nrpe>=3.2.1-3"

The problems have been fixed upstream but no release is available yet.

Workaround
==========

Ensure the "dont_blame_nrpe" option in nrpe.conf is disabled.

Description
===========

- CVE-2013-1362 (arbitrary command execution)

Incomplete blacklist vulnerability in nrpc.c in Nagios Remote Plug-In
Executor (NRPE) might allow remote attackers to execute arbitrary shell
commands via "$()" shell metacharacters, which are processed by bash.

- CVE-2014-2913 (arbitrary command execution)

Incomplete blacklist vulnerability in nrpe.c in Nagios Remote Plugin
Executor (NRPE) 2.15 and earlier allows remote attackers to execute
arbitrary commands via a newline character in the -a option to
libexec/check_nrpe.

Impact
======

A remote attacker is able to execute arbitrary commands on the affected
host by passing malicious command arguments via check_nrpe.

References
==========

https://bugs.archlinux.org/task/57120
http://seclists.org/bugtraq/2013/Feb/119
https://github.com/NagiosEnterprises/nrpe/commit/eaaebb3c2925f9aee74319b61264ee535784b859
http://seclists.org/fulldisclosure/2014/Apr/240
http://seclists.org/oss-sec/2014/q2/154
https://security.archlinux.org/CVE-2013-1362
https://security.archlinux.org/CVE-2014-2913

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