ContentKeeper Authenticated Access Password Disclosure

2006.10.01
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-Other


Ogólna skala CVSS: 4/10
Znaczenie: 2.9/10
Łatwość wykorzystania: 8/10
Wymagany dostęp: Zdalny
Złożoność ataku: Niska
Autoryzacja: Jednorazowa
Wpływ na poufność: Częściowy
Wpływ na integralność: Brak
Wpływ na dostępność: Brak

aushack.com - Vulnerability Advisory ----------------------------------------------- Release Date: 22-Sep-2006 Software: ContentKeeper Technologies - ContentKeeper http://www.contentkeeper.com/ "ContentKeeper is an industry leading Internet content filter that allows organisations to monitor, manage, control & secure staff access to Internet resources." Versions affected: ContentKeeper 123.25 and below. Vulnerability discovered: A design flaw in the user administration interface reveals account passwords inside the HTML source code. Any authenticated user with appropriate access to the user administration page may use this information to compromise the accounts on other systems. Vulnerability impact: Low - Unauthorised password disclosure may result in other system account breaches where the revealed password has been reused. Vulnerability information The appliance is administered by use of a web browser HTML based front end. Authenticated users have access to the account administration page, whereby they can administer existing usernames, reset passwords, create and delete accounts etc. The appliance does not hash the existing user passwords. When the page is requested, the plaintext password for each account is inserted into the password input value of the FORM element and sent to the client. Example: https://contentkeeperbox/cgi-bin/ck/changepw.cgi This will return all user details. By viewing the page source, the password of each account is revealed. E.g. for user 'root' with a password of 'it_isAs3cret': <form> <input name="username" type="text" value="root">Username: <input type="password" name="password" value="it_isAs3cret">Password: .. <input name="username" type="text" value="rootBackup">Username: <input type="password" name="password" value="IamF0rgetful">Password: </form> It may be possible to extract this information from the browser cache, however the HTML content is set to expire immediately. Solution: None yet, do not reuse passwords. Future versions may hash the value. References: aushack.com advisory http://www.aushack.com/advisories/200606-contentkeeper.txt Credit: Patrick Webster (patrick (at) aushack (dot) com [email concealed]) Disclosure timeline: 15-Mar-2006 - Discovered during quick audit - common design flaw. 08-Jun-2006 - Sent to ContentKeeper support. 12-Jun-2006 - Vendor response, update expected July 2006. 22-Sep-2006 - Public disclosure. EOF


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