PT-2013-58: Insufficient Session Security in Huawei M2000

Vulnerable platform

Huawei M2000

Link:
http://www.huawei.com/

Severity level

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

CVSS v2:
Base Score: 5.1
Vector: (AV:N/AC:H/Au:N/C:P/I:P/A:P)

CVE: not assigned

Platform description

Huawei M2000 is a centralized OSS (Operating Support Systems) solution designated to improve system use and mobile network service.

Vulnerability description

The specialists of the Positive Research center have detected an Insufficient Session Security vulnerability in Huawei M2000.

Access rights storage mechanism is vulnerable to cryptographic attacks. An attacker may calculate the new checksum and obtain elevated privileges via brute force attack.

How to fix

Customers can contact the Huawei Technical Assistance Center (TAC) to request upgrades

Advisory status

29.05.2013 - Vendor gets vulnerability details
31.07.2013 - Vendor releases fixed version and details
06.02.2014 - Public disclosure

Credits

The vulnerability was detected by Timur Yunusov, Alexey Osipov, Gleb Gritsai, Positive Research Center (Positive Technologies Company)

References

http://en.securitylab.ru/lab/PT-2013-58

Reports on the vulnerabilities previously discovered by Positive Research:

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

Threatscape