CVE-2019-6443 EXPLOIT
9.1
CRITICAL · CVSS 3.0 · EPSS 66.9% (pctl 99)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 9.1 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| EPSS | 66.88% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-125 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2019-01-16 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| ntpsec | ntpsec |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | NTPsec 1.1.2 - 'ctl_getitem' Out-of-Bounds Read (PoC) | 2019-01-16 |
References
- 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/
- 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/
→ the Explorer · watch your stack · NVD