SB2018081707 - Privilege escalation in Network Time Protocol

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Main Vulnerability Database SB2018081707

SB2018081707 - Privilege escalation in Network Time Protocol

Published: August 17, 2018

Security Bulletin ID SB2018081707
Severity
Low
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Stack-based buffer overflow (CVE-ID: CVE-2018-12327)

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 not aware of any official remediation provided by the vendor.

References