Stack-based buffer overflow in ntp - CVE-2017-6460
Published: May 16, 2018 / Updated: May 17, 2018
Vulnerability identifier: #VU12771
CSH Severity: High
CVSS v4.0: 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-2017-6460
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ntp.org
Affected software:
ntp
ntp
Detailed vulnerability description
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.
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.
How to mitigate CVE-2017-6460
Update to version 4.2.8p10 or 4.3.94.