Remedy Action Request System 5.01.02 - User Enumeration

Risk: Low
Local: No
Remote: Yes
CWE: CWE-Other

CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

======================================================= Remedy Action Request System User Enumeration ======================================================= Davide Del Vecchio Adv#11 Discovered in: 08/01/2007 Version affected: Remedy Action Request System 5.01.02 Patch 1267. The same vulnerable code could be present in other versions. Reference: Software description: From BMC Software website: "Remedy Action Request System 5.01.02 provides a consolidated Service Process Management platform for automating and managing Service Management business processes." The problem: During user login phase, it is possible to enumerate existing users examining the error messages provided by the software. Suppling a non-existing user the error message is: ARERR [612] No such user is registered with this server user: test, server: Unable to successfully log in to any server. Suppling an existing user the error message is: ARERR [329] Invalid password for an existing user user: user, server: Unable to successfully log in to any server. Solution: Vendor has been contacted 3 times with no answer. Credits: Davide Del Vecchio would like to thank his family and all the people supporting him and his research. Support the rosewitch project. Disclaimer: The information within this paper may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties with regard to this information. In no event shall the author be liable for any damages whatsoever arising out of or in connection with the use or spread of this information. Any use of this information is at the user's own risk. ^^^^^^^^ Please send suggestions, updates, and comments to: Davide Del Vecchio "Dante Alighieri" - dante at alighieri dot org ~

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