#VU7219 Out-of-bounds write in systemd - CVE-2017-9445

 

#VU7219 Out-of-bounds write in systemd - CVE-2017-9445

Published: June 27, 2017 / Updated: July 4, 2017


Vulnerability identifier: #VU7219
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-9445
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
systemd
Software vendor:
Freedesktop.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing DNS responses in systemd-resolved. A remote unauthenticated attacker can send a specially crafted DNS response, trigger out-of-bounds write and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

The vulnerability is addressed in the following versions:
233-10.

External links