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CVE-2016-2563

nvd nist
Published: Apr 7, 2016Modified: May 6, 2026

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9.8
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

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.

Affected (2)

Products: 9bis: Kitty · Simon Tatham: Putty
9bis
1 product
Kitty
Simon Tatham
1 product
Putty
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Kitty
Up to 0.66.6.3
Putty
Up to 0.66

Related CWEs

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (14)

Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Patch
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.