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CVE-2017-6458

HIGHCVSS 8.8/10EPSS 6.51%

Last modified

CVE-2017-6458 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Multiple buffer overflows in the ctl_put* functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have unspecified impact via a long variable.. EPSS estimates a 6.51% chance of exploitation in the next 30 days.

Description

Multiple buffer overflows in the ctl_put* functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have unspecified impact via a long variable.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
6.51%

92.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NtpNtp< 4.2.8
NtpNtp>= 4.3.0, < 4.3.94
NtpNtp4.2.8
HpeHpux-Ntp< c.4.2.8.4.0
AppleMac Os X>= 10.8.0, < 10.13
SiemensSimatic Net Cp 443-1 Opc Ua FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-6458?
Multiple buffer overflows in the ctl_put* functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have unspecified impact via a long variable.
How severe is CVE-2017-6458?
CVE-2017-6458 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 6.51% probability of exploitation in the next 30 days.
How do I fix CVE-2017-6458?
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-2017-6458?

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

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Source: NVD / NIST