Home/CVE/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
CVE

CVE-2019-6443

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

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.

CRITICAL · CVSS 9.1 EPSS 0.47167
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

1
ntpsec< 1.1.3
⚠

Public Exploits & PoCs

5
dosNTPsec 1.1.2 - 'ctl_getitem' Out-of-Bounds Read (PoC)verified
nucleiNTPsec > 1.1.3 - 'ctl_getitem' Out-of-Bounds Readcritical
pocdumpco.re · ntpsec-bugsdumpco.re
pocdumpco.re · ntpsec-oobread1dumpco.re
pocwww.exploit-db.com · 46175www.exploit-db.com
▣

Scoring & Timeline

9.1
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Jan 2019 · 05:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
⚑

Vendor Advisories

2
suse-csafopenSUSE-SU-2024:11103-1
suse-csafopenSUSE-SU-2019:0082-1
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWSRelease NotesThird Party Advisory
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