[manjaro-security] [arch-security] [ASA-201707-5] systemd: denial of service

[Remi Gacogne]

Arch Linux Security Advisory ASA-201707-5
=========================================

Severity: Medium
Date    : 2017-07-04
CVE-ID  : CVE-2017-9217
Package : systemd
Type    : denial of service
Remote  : Yes
Link    : https://security.archlinux.org/AVG-337

Summary
=======

The package systemd before version 233-7 is vulnerable to denial of
service.

Resolution
==========

Upgrade to 233-7.

# pacman -Syu "systemd>=233-7"

The problem has been fixed upstream in version 233.

Workaround
==========

None.

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

A security issue has been found in systemd-resolved, allowing a remote
attacker to cause a denial of service (daemon crash via NULL-pointer
dereference) via a crafted DNS response with an empty question section.

Impact
======

A remote attacker can cause a denial of service via a crafted DNS
response.

References
==========

https://github.com/systemd/systemd/commit/262d95fecd357343887709006188f690cfe040a9
https://github.com/systemd/systemd/pull/6020
https://security.archlinux.org/CVE-2017-9217

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