CVE-2019-6443 Information

Description

An issue was discovered in NTPsec before 1.1.3. Because of a bug in ctl_getitem there is a stack-based buffer over-read in read_sysvars in ntp_control.c in ntpd.

CVSS Vector

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

Reference

https://dumpco.re/blog/ntpsec-bugs https://dumpco.re/bugs/ntpsec-oobread1 https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS https://www.exploit-db.com/exploits/46175/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

9.1