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]
