CVE-2016-2563

Name	CVE-2016-2563
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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	816921

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
putty (PTS)	bookworm	0.78-2+deb12u2	fixed
	bookworm (security)	0.78-2+deb12u1	fixed
	trixie	0.83-3	fixed
	forky, sid	0.85-3	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
putty	source	(unstable)	0.67-1			816921

Notes

[jessie] - putty <no-dsa> (Minor issue)
[wheezy] - putty <no-dsa> (Minor issue)
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html
https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=bc6c15ab5f636e05b7e91883f0031a7e06117947
https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-2563