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Message-ID: <AANLkTi=YHb51AC08Gn_Pa7N-URXoHcPSkcYbsLj2CHVy@mail.gmail.com>
Date: Wed, 1 Sep 2010 03:28:47 +0800
From: YGN Ethical Hacker Group <lists@...g.net>
To: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
bugs@...uritytracker.com, vuln@...unia.com, secalert@...urityreason.com,
news@...uriteam.com, vuln@...urity.nnov.ru
Subject: KeePass version 2.12 <= Insecure DLL Hijacking
Vulnerability (dwmapi.dll)
1. OVERVIEW
The KeePass application is vulnerable to Insecure DLL Hijacking
Vulnerability. Similar terms that describe this vulnerability
have been come up with Remote Binary Planting, and Insecure DLL
Loading/Injection/Hijacking/Preloading.
2. PRODUCT DESCRIPTION
KeePass Password Safe is a free, open source, light-weight and
easy-to-use password manager for Windows. You can store your passwords
in a highly-encrypted database, which is locked with one master
password or key file.
3. VULNERABILITY DESCRIPTION
The KeePass application passes an insufficiently qualified path in
loading an external library, "dwmapi.dll"
when a user opens its associated file with extensions - "kdbx".
4. VERSIONS AFFECTED
2.12 and lower version family of 2.x
5. PROOF-OF-CONCEPT/EXPLOIT
http://core.yehg.net/lab/pr0js/advisories/dll_hijacking/keepass/poc/movie/
http://core.yehg.net/lab/pr0js/advisories/dll_hijacking/keepass/poc/keepass.exe_2.12_dwmapi.dll.zip
Tested Platform: Windows XP Service Pack 3 (Fresh Windows)
6. IMPACT
Attackers can trigger a successful exploit against a victim user in a
number of ways such as placing a malicious external
library file made as hidden attribute and a seemingly interesting file
in network shares, usb drives, file sharing networks,
social networks, ..etc
7. SOLUTION
Fix version (i.e 2.13) has not been released yet but the latest patch
is available at:
http://keepass.info/filepool/KeePass_100829b.zip
8. VENDOR
Dominik Reichl
http://keepass.info
9. CREDIT
This vulnerability was discovered by Aung Khant, http://yehg.net, YGN
Ethical Hacker Group, Myanmar.
10. DISCLOSURE TIME-LINE
08-29-2010: vulnerability discovered
08-29-2010: notified vendor
08-29-2010: patch released
09-01-2010: vulnerability disclosed
11. REFERENCES
Original Advisory URL:
http://core.yehg.net/lab/pr0js/advisories/dll_hijacking/[keepass]_2.12_insecure_dll_hijacking_(dwmapi.dll)
Workaround Solution: http://support.microsoft.com/kb/2264107
Workaround Solution:
https://www.microsoft.com/technet/security/advisory/2269637.mspx#EGF
Developer Solution:
http://msdn.microsoft.com/en-us/library/ff919712%28v=VS.85%29.aspx
Unofficial DLL Hijacking List:
http://www.corelan.be:8800/index.php/2010/08/25/dll-hijacking-kb-2269637-the-unofficial-list/
#yehg [09-01-2010]
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