Risk | Low |
Patch available | NO |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2018-12327 |
CWE-ID | CWE-121 |
Exploitation vector | Local |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
Network Time Protocol Server applications / Other server solutions |
Vendor | ntp.org |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU14448
Risk: Low
CVSSv3.1: 8.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:U/RC:C]
CVE-ID: CVE-2018-12327
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: Yes
DescriptionThe 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.
MitigationCybersecurity Help is currently unaware of any solutions addressing the vulnerability.
Vulnerable software versionsNetwork Time Protocol: 4.2.0a - 4.2.8p11
External linkshttp://gist.github.com/fakhrizulkifli/9b58ed8e0354e8deee50b0eebd1c011f
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.