CVE-2019-6442

medium

Description

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.

References

https://www.exploit-db.com/exploits/46178/

https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS

https://dumpco.re/bugs/ntpsec-authed-oobwrite

https://dumpco.re/blog/ntpsec-bugs

Details

Source: Mitre, NVD

Published: 2019-01-16

Updated: 2019-01-22

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H