CVE-2016-2563

Critical

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.

SeverityCritical

CVSS9.8

Exploit probability—

Product9bis Kitty

PublishedApr 7, 2016

First seenApr 7, 2016

How to fix

Vendor advisories

security.gentoo.org/glsa/201606-01

Affected products

Product	Affected versions	Fixed in
9bis kitty	v ≤ 0.66.6.3	—
simon_tatham putty	v ≤ 0.66	—

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