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Vulnerability details: VCID-1tty-pj8p-aaan
Vulnerability ID VCID-1tty-pj8p-aaan
Aliases CVE-2016-2563
Summary 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.
Status Published
Exploitability 2.0
Weighted Severity 8.8
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-2563.html
epss 0.01616 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
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epss 0.01616 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
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epss 0.01616 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.01616 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.01616 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.01685 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.01685 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.01685 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.01685 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.01685 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.01685 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.11879 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.11879 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.11879 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.11879 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.11879 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.11879 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.11879 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.13374 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.13374 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
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epss 0.13374 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
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epss 0.13374 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.13374 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
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epss 0.16639 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.17579 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.17579 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.19596 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
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epss 0.34654 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.34654 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.34654 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.34654 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.34654 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
epss 0.34654 https://api.first.org/data/v1/epss?cve=CVE-2016-2563
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2563
cvssv2 6.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
generic_textual Medium https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-2563
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-2563
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2016-2563
generic_textual Medium http://tartarus.org/~simon-git/gitweb/?p=putty.git;a=commitdiff;h=bc6c15ab5f636e05b7e91883f0031a7e06117947
generic_textual Medium http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html
Reference id Reference type URL
http://lists.opensuse.org/opensuse-updates/2016-05/msg00131.html
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-2563.html
https://api.first.org/data/v1/epss?cve=CVE-2016-2563
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2563
http://seclists.org/fulldisclosure/2016/Mar/22
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-2563
https://security.gentoo.org/glsa/201606-01
http://tartarus.org/~simon-git/gitweb/?p=putty.git;a=commitdiff;h=bc6c15ab5f636e05b7e91883f0031a7e06117947
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
816921 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816921
cpe:2.3:a:9bis:kitty:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:9bis:kitty:*:*:*:*:*:*:*:*
cpe:2.3:a:simon_tatham:putty:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:simon_tatham:putty:*:*:*:*:*:*:*:*
CVE-2016-2563 Exploit https://github.com/tintinweb/pub/tree/999963dfda3f90f96687272d914967f2364a6651/pocs/cve-2016-2563
CVE-2016-2563 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/39551.txt
CVE-2016-2563 https://nvd.nist.gov/vuln/detail/CVE-2016-2563
Data source Exploit-DB
Date added March 10, 2016
Description Putty pscp 0.66 - Stack Buffer Overwrite
Ransomware campaign use Unknown
Source publication date March 10, 2016
Exploit type dos
Platform multiple
Source update date Jan. 11, 2018
Source URL https://github.com/tintinweb/pub/tree/999963dfda3f90f96687272d914967f2364a6651/pocs/cve-2016-2563
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-2563
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-2563
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.87851
EPSS Score 0.01616
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.