(PT-2012-53) Positive Technologies Security Advisory
Privilege Gaining in DataLife Engine

Vulnerable software

DataLife Engine 
Version: 9.7 and earlier

Application link: 
http://dle-news.ru/

Severity level

Severity level: Medium 
Impact: Privilege gaining 
Access Vector: Remote 

CVSS v2: 
Base Score: 6.8 
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVE: not assigned

Software description

DataLife Engine is a website management system.

Vulnerability description

Positive Technologies experts have detected a session management vulnerability  that allows attackers to conduct Session Fixation attack in DataLife Engine.
 Session cookies are not discarded that allows attackers to conduct the attack. The attacker with access to evil.host.ru sub domain (or using Cross-Site Scripting) is able to set  Cookie: PHPSESSID=123; domain=.host.ru in user's browser and as logged in to dle.host.ru, the user can use 123 session that now has privileges of the authorized user.

How to fix

Update your software up to the latest version.

Advisory status

30.10.2012 - Vendor is notified
30.10.2012 - Vendor gets vulnerability details
19.01.2013 - Vendor releases fixed version and details
04.02.2013 - Public disclosure

Credits

The vulnerability has discovered by Timur Yunusov, Positive Research Center (Positive Technologies Company)

References

http://en.securitylab.ru/lab/PT-2012-53
http://dle-news.ru/bags/v97/1549-patchi-bezopasnosti-dlya-versii-97.html

Reports on the vulnerabilities previously discovered by Positive Research:

http://ptsecurity.com/research/advisory/
http://en.securitylab.ru/lab/

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.