VulnerabilityModified
CVE-2019-6442
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.
MEDIUM 6.5EPSS 13.7%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 13.7%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 13.71% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- ntpsec/ntpsec
- Source
- cve@mitre.org
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.