CVE-2016-2563
9.8 · CRITICALOverview
CVE-2016-2563 is a critical-severity vulnerability affecting 9bis kitty. It was published on April 7, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from 9bis. Update kitty to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| 9bis | kitty | 0 | Affected |
| simon_tatham | putty | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2016-2563?
CVE-2016-2563 is a critical-severity vulnerability affecting 9bis kitty. It was published on April 7, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2016-2563?
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2016-2563?
Check the references section for vendor advisories and patches from 9bis. Update kitty to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2016-2563?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-2563 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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