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OneOrZero AIMS Authorization Bypass

OneOrZero AIMS Authorization Bypass
Posted Oct 28, 2011
Authored by Yuri Goltsev | Site ptsecurity.com

OneOrZero AIMS versions 2.7.0 and below suffer from an authorization bypass via cookie manipulation.

tags | advisory
SHA-256 | 8b2bc60bbeac2e06504b2cc636356cc144ed4226558db470f91e9b90fc270dc4

OneOrZero AIMS Authorization Bypass

Change Mirror Download

(PT-2011-20) Positive Technologies Security Advisory

Authorization bypass vulnerability in OneOrZero AIMS


---[Vulnerable software]

OneOrZero AIMS
Version: 2.7.0 and earlier (possibly)

Application link:

---[Severity level]

Severity level: High
Impact: Authorization bypass
Access Vector: Network exploitable
CVSS v2:
Base Score: 10.0
Temporal Score: 8.6
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P/E:P/RL:O/RC:C)

CVE: not assigned

---[Software description]

OneOrZero AIMS is a powerful enterprise ready suite that includes a help desk, knowledge base, time manager and reporting system supported by a highly configurable and extensible Action & Information Management System that allows you to 'build your own system' on the fly.

---[Vulnerability description]

Positive Research Center has discovered authorization bypass vulnerability in OneOrZero AIMS.
Vulnerability exists due incorrect logic of authorization using $_COOKIE variables - predictable session value, stored in $_COOKIE['oozimsrememberme'] variable.
Attacker, have valid username which registered in system, can generate session and bypass authorization.

---[How to fix]

Review algorithm of authorization with $_COOKIE['oozimsrememberme'] variable and add some logic to associate this variable with password.

---[Advisory status]

08.07.2011 - Vendor is notified
23.08.2011 - Vulnerability details were sent to CERT
19.10.2011 - Public disclosure

The vulnerability was detected by Yuri Goltsev, Positive Research Center (Positive Technologies Company)



Reports on the vulnerabilities previously discovered by Positive Research:


---[About Positive Technologies]

Positive Technologies www.ptsecurity.com is among the key players in the IT security market in Russia.

The principal activities of the company include the development of integrated tools for information security monitoring (MaxPatrol); providing IT security consulting services and technical support; development of the Securitylab leading Russian information security portal.

Among the clients of Positive Technologies, there are more than 40 state enterprises, more than 50 banks and financial organizations,
20 telecommunication companies, more than 40 plant facilities, as well as IT, service and retail companies from Russia, the CIS countries, the Baltic States, China, Ecuador, Germany, Great Britain, Holland, Iran, Israel, Japan, Mexico, the Republic of South Africa, Thailand, Turkey, and the USA.

Positive Technologies is a team of highly skilled developers, advisers and experts with years of vast hands-on experience. The company specialists possess professional titles and certificates; they are the members of various international societies and are actively involved in the IT security field development.
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