CVE-2019-6442
First published: Wed Jan 16 2019(Updated: )
An issue was discovered in NTPsec before 1.1.3. An authenticated attacker can write one byte out of bounds in ntpd via a malformed config request, related to config_remotely in ntp_config.c, yyparse in ntp_parser.tab.c, and yyerror in ntp_parser.y.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NTPsec | <1.1.3 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-6442?
CVE-2019-6442 is classified as a medium severity vulnerability that can lead to out-of-bounds writes.
How do I fix CVE-2019-6442?
To fix CVE-2019-6442, upgrade NTPsec to version 1.1.3 or later.
What causes CVE-2019-6442?
CVE-2019-6442 is caused by a flaw in the ntpd component that allows authenticated attackers to send malformed config requests.
What are the potential impacts of CVE-2019-6442?
The potential impacts of CVE-2019-6442 include crashing the NTP service and exploiting the server through out-of-bounds writes.
Who is affected by CVE-2019-6442?
CVE-2019-6442 affects all versions of NTPsec prior to 1.1.3.
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