#VU14448 Stack-based buffer overflow in Network Time Protocol - CVE-2018-12327
Published: August 14, 2018 / Updated: June 17, 2021
Vulnerability identifier: #VU14448
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/U:Clear
CVE-ID: CVE-2018-12327
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerable software:
Network Time Protocol
Network Time Protocol
Software vendor:
ntp.org
ntp.org
Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to stack-based buffer overflow in the Network Time Protocol Query (ntpq) program and Network Time Protocol daemon (ntpd) when handling malicious input. A local attacker can submit a long string argument for an IPv4 or IPv6 command-line parameter, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.