ASA-201908-4 log generated external raw
[ASA-201908-4] exim: arbitrary code execution |
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Arch Linux Security Advisory ASA-201908-4
=========================================
Severity: Critical
Date : 2019-08-05
CVE-ID : CVE-2019-13917
Package : exim
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-1011
Summary
=======
The package exim before version 4.92.1-1 is vulnerable to arbitrary
code execution.
Resolution
==========
Upgrade to 4.92.1-1.
# pacman -Syu "exim>=4.92.1-1"
The problem has been fixed upstream in version 4.92.1.
Workaround
==========
None.
Description
===========
Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution
as root in some unusual configurations that use the ${sort } expansion
for items that can be controlled by an attacker (e.g., $local_part or
$domain).
Impact
======
A remote attacker can, in some unusual configurations, execute
arbitrary code via a crafted e-mail.
References
==========
https://seclists.org/oss-sec/2019/q3/63
https://lists.exim.org/lurker/message/20190725.090419.d506f736.en.html
https://security.archlinux.org/CVE-2019-13917
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