Buffer overflow in NTP
CVE-2017-6460
Stack-based buffer overflow in the reslist function in ntpq in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote servers have unspecified impact via a long flagstr variable in a restriction list response.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- NTP — versions 4.2.8, 4.3.0, 4.3.1
Weakness classification (CWE)
References
- www.securitytracker.com/id/1038123 (VDB Entry, Third Party Advisory, vdb-entry)
- support.apple.com/HT208144
- www.securityfocus.com/bid/97052 (VDB Entry, Third Party Advisory, vdb-entry)
- support.ntp.org/bin/view/Main/NtpBug3377 (Patch, Vendor Advisory)
- support.ntp.org/bin/view/Main/SecurityNotice (Vendor Advisory)
- support.hpe.com/hpsc/doc/public/display
- security.paloaltonetworks.com/CVE-2017-6460
Frequently asked questions
- What is CVE-2017-6460?
- CVE-2017-6460 is a high-severity vulnerability in NTP, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-03-27.
- How severe is CVE-2017-6460?
- High severity. CVSS v3 base score is 8.8 out of 10.