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CVE-2016-2519

UnknownEPSS 6.87%

Last modified

CVE-2016-2519 is a vulnerability of currently unknown severity. ntpd in NTP before 4.2.8p7 and 4.3.x before 4.3.92 allows remote attackers to cause a denial of service (ntpd abort) by a large request data value, which triggers the ctl_getitem function to return a NULL value.. EPSS estimates a 6.87% chance of exploitation in the next 30 days.

Description

ntpd in NTP before 4.2.8p7 and 4.3.x before 4.3.92 allows remote attackers to cause a denial of service (ntpd abort) by a large request data value, which triggers the ctl_getitem function to return a NULL value.

Metrics

EPSS Probability
6.87%

93.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
NtpNtp<= 4.2.8P6
NtpNtp4.3.0—
NtpNtp4.3.1—
NtpNtp4.3.2—
NtpNtp4.3.3—
NtpNtp4.3.4—
NtpNtp4.3.5—
NtpNtp4.3.6—
NtpNtp4.3.7—
NtpNtp4.3.8—
NtpNtp4.3.9—
NtpNtp4.3.10—
NtpNtp4.3.11—
NtpNtp4.3.12—
NtpNtp4.3.13—
NtpNtp4.3.14—
NtpNtp4.3.15—
NtpNtp4.3.16—
NtpNtp4.3.17—
NtpNtp4.3.18—
NtpNtp4.3.19—
NtpNtp4.3.20—
NtpNtp4.3.21—
NtpNtp4.3.22—
NtpNtp4.3.23—
NtpNtp4.3.24—
NtpNtp4.3.25—
NtpNtp4.3.26—
NtpNtp4.3.27—
NtpNtp4.3.28—
NtpNtp4.3.29—
NtpNtp4.3.30—
NtpNtp4.3.31—
NtpNtp4.3.32—
NtpNtp4.3.33—
NtpNtp4.3.34—
NtpNtp4.3.35—
NtpNtp4.3.36—
NtpNtp4.3.37—
NtpNtp4.3.38—
NtpNtp4.3.39—
NtpNtp4.3.40—
NtpNtp4.3.41—
NtpNtp4.3.42—
NtpNtp4.3.43—
NtpNtp4.3.44—
NtpNtp4.3.45—
NtpNtp4.3.46—
NtpNtp4.3.47—
NtpNtp4.3.48—

Showing 50 of 93 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-2519?
ntpd in NTP before 4.2.8p7 and 4.3.x before 4.3.92 allows remote attackers to cause a denial of service (ntpd abort) by a large request data value, which triggers the ctl_getitem function to return a NULL value.
How severe is CVE-2016-2519?
Severity scoring for CVE-2016-2519 is pending analysis. The EPSS model estimates a 6.87% probability of exploitation in the next 30 days.
How do I fix CVE-2016-2519?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-2519?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST