SB2017032104 - Remote code execution in ntp
Published: March 21, 2017
Security Bulletin ID
SB2017032104
Severity
Low
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) Stack-based buffer overflow (CVE-ID: CVE-2017-6460)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists in the reslist() function in ntpq due to stack-based buffer overflow triggered by a malicious ntpd server when ntpq requests the restriction list from the server. A remote attacker can trigger memory corruption and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.