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Status published
Critical
CVE-2016-2563
Stack-based buffer overflow in the SCP command-line utility in PuTTY...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00131.html
- http://www.securitytracker.com/id/1035257
- https://security.gentoo.org/glsa/201606-01
- http://www.securityfocus.com/bid/84296
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html
- https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-2563
- http://seclists.org/fulldisclosure/2016/Mar/22
Affected Vendor
9bis
View all reports →Affected Software
kitty, putty
Vulnerable Versions:
0
Timeline
Official Publish:
April 7th, 2016
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.