CVE-2019-6442

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.

• CWE-787

• https://dumpco.re/blog/ntpsec-bugsExploit, Third Party Advisory
• https://dumpco.re/bugs/ntpsec-authed-oobwriteExploit, Third Party Advisory
• https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWSRelease Notes, Third Party Advisory
• https://www.exploit-db.com/exploits/46178/Exploit, Third Party Advisory, VDB Entry
• https://dumpco.re/blog/ntpsec-bugsExploit, Third Party Advisory
• https://dumpco.re/bugs/ntpsec-authed-oobwriteExploit, Third Party Advisory
• https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWSRelease Notes, Third Party Advisory
• https://www.exploit-db.com/exploits/46178/Exploit, Third Party Advisory, VDB Entry

Published

Jan 16, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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