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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-2563	Vendor Advisory
http://seclists.org/fulldisclosure/2016/Mar/22
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html	Patch
https://security.gentoo.org/glsa/201606-01
http://www.securityfocus.com/bid/84296
http://lists.opensuse.org/opensuse-updates/2016-05/msg00131.html
http://www.securitytracker.com/id/1035257

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:9bis:kitty::::::::
	cpe:2.3:a:simon_tatham:putty::::::::

Information

Published : 2016-04-07 16:59

Updated : 2016-12-02 19:25

NVD link : CVE-2016-2563

Mitre link : CVE-2016-2563

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

9bis

kitty

simon_tatham

putty

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