Vulnerability Details : CVE-2019-6442
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.
Vulnerability category: Memory Corruption
Products affected by CVE-2019-6442
- cpe:2.3:a:ntpsec:ntpsec:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-6442
2.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-6442
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2019-6442
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-6442
-
https://dumpco.re/bugs/ntpsec-authed-oobwrite
dumpco.reExploit;Third Party Advisory
-
https://www.exploit-db.com/exploits/46178/
NTPsec 1.1.2 - 'config' (Authenticated) Out-of-Bounds Write Denial of Service (PoC)Exploit;Third Party Advisory;VDB Entry
-
https://dumpco.re/blog/ntpsec-bugs
dumpco.reExploit;Third Party Advisory
-
https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS
ntpsec/NEWS at NTPsec_1_1_3 · ntpsec/ntpsec · GitHubRelease Notes;Third Party Advisory
Jump to