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CVE-2016-2563

UnknownEPSS 34.22%

Last modified

CVE-2016-2563 is a vulnerability of currently unknown severity. Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service (stack memory corruption) or execute arbitrary code via a crafted SCP-SINK file-size response to an SCP download request.. EPSS estimates a 34.22% chance of exploitation in the next 30 days.

Description

Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service (stack memory corruption) or execute arbitrary code via a crafted SCP-SINK file-size response to an SCP download request.

Metrics

EPSS Probability
34.22%

98.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
9bisKitty<= 0.66.6.3
Simon TathamPutty<= 0.66

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-2563?
Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service (stack memory corruption) or execute arbitrary code via a crafted SCP-SINK file-size response to an SCP download request.
How severe is CVE-2016-2563?
Severity scoring for CVE-2016-2563 is pending analysis. The EPSS model estimates a 34.22% probability of exploitation in the next 30 days.
How do I fix CVE-2016-2563?
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.

How Strix Helps

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Source: NVD / NIST