SB2017070301 - Remote code execution in systemd
Published: July 3, 2017 Updated: July 4, 2017
Security Bulletin ID
SB2017070301
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2017-9445)
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
Install update from vendor's website.