CVE-2016-2563: Buffer Overflow
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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2016-2563?
CVE-2016-2563 has been classified as a medium severity vulnerability due to the potential for remote code execution and denial of service.
How do I fix CVE-2016-2563?
To fix CVE-2016-2563, update to PuTTY version 0.67 or later and KiTTY version 0.66.6.4 or later.
What systems are affected by CVE-2016-2563?
CVE-2016-2563 affects PuTTY versions prior to 0.67 and KiTTY versions 0.66.6.3 and earlier.
What type of vulnerability is CVE-2016-2563?
CVE-2016-2563 is a stack-based buffer overflow vulnerability.
What can attackers achieve through CVE-2016-2563?
Attackers can exploit CVE-2016-2563 to cause stack memory corruption and potentially execute arbitrary code.