CVE-2016-2563

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 93%
VendorProductVersion
9biskitty
𝑥
≤ 0.66.6.3
simon_tathamputty
𝑥
≤ 0.66
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
putty
bullseye
0.74-1+deb11u2
fixed
jessie
no-dsa
wheezy
no-dsa
bullseye (security)
0.74-1+deb11u1
fixed
bookworm
0.78-2+deb12u2
fixed
bookworm (security)
0.78-2+deb12u1
fixed
sid
0.81-3
fixed
trixie
0.81-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
putty
disco
not-affected
cosmic
not-affected
bionic
not-affected
artful
not-affected
zesty
not-affected
yakkety
not-affected
xenial
not-affected
wily
ignored
trusty
dne
precise
ignored
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-updates/2016-05/msg00131.html
http://seclists.org/fulldisclosure/2016/Mar/22
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html
http://www.securityfocus.com/bid/84296
http://www.securitytracker.com/id/1035257
https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-2563
https://security.gentoo.org/glsa/201606-01
http://lists.opensuse.org/opensuse-updates/2016-05/msg00131.html
http://seclists.org/fulldisclosure/2016/Mar/22
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html
http://www.securityfocus.com/bid/84296
http://www.securitytracker.com/id/1035257
https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-2563
https://security.gentoo.org/glsa/201606-01