CVE-2019-6442

CVSS V2 Medium 4 CVSS V3 Medium 6.5
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.
Overview
  • CVE ID
  • CVE-2019-6442
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-01-16T05:29:00
  • Last Modified Date
  • 2019-01-22T15:39:49
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:ntpsec:ntpsec:*:*:*:*:*:*:*:* 1 OR 1.1.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS Release Notes Third Party Advisory
https://dumpco.re/bugs/ntpsec-authed-oobwrite Exploit Third Party Advisory
https://dumpco.re/blog/ntpsec-bugs Exploit Third Party Advisory
https://www.exploit-db.com/exploits/46178/ Exploit Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-6442
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6442
History
Created Old Value New Value Data Type Notes
2022-05-10 08:00:15 Added to TrackCVE
2022-12-03 16:26:46 2019-01-16T05:29Z 2019-01-16T05:29:00 CVE Published Date updated
2022-12-03 16:26:46 2019-01-22T15:39:49 CVE Modified Date updated
2022-12-03 16:26:46 Analyzed Vulnerability Status updated