Published: 16/01/2019 Updated: 22/01/2019

CVSS v2 Base Score: 6.4 | Impact Score: 4.9 | Exploitability Score: 10

CVSS v3 Base Score: 9.1 | Impact Score: 5.2 | Exploitability Score: 3.9

VMScore: 645

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

An issue exists in NTPsec prior to 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.

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Debian Bug report logs - #919513 CVE-2019-6442 CVE-2019-6443 CVE-2019-6444 CVE-2019-6445 Package: src:ntpsec; Maintainer for src:ntpsec is Richard Laager <rlaager@wiktelcom>; Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Wed, 16 Jan 2019 19:24:02 UTC Severity: grave Tags: security Found in version ntpsec/1 ...

#!/usr/bin/env python # Exploit Title: ntpsec 112 OOB read Proof of concept # Bug Discovery: Magnus Klaaborg Stubman (@magnusstubman) # Exploit Author: Magnus Klaaborg Stubman (@magnusstubman) # Website: dumpcore/bugs/ntpsec-oobread1 # Vendor Homepage: ntpsecorg/ # Software Link: ftp://ftpntpsecorg/pub/releases/ntpsec-112 ...

NTPsec version 112 suffers from an out-of-bounds read vulnerability in ctl_getitem ...

CWE-125 https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS https://dumpco.re/bugs/ntpsec-oobread1 https://dumpco.re/blog/ntpsec-bugs https://www.exploit-db.com/exploits/46175/https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=919513 https://nvd.nist.gov https://www.exploit-db.com/exploits/46175

CVE-2019-6443

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