PT-2013-59: XML External Entities Injection in Huawei M2000

Vulnerable platform

Huawei M2000

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

Severity level

Severity level: Medium
Impact: Internal Network Resources and File System Access, Denial of Service
Access Vector: Remote

CVSS v2:
Base Score: 5.8
Vector: (AV:N/AC:M/Au:N/C:P/I:N/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 XML External Entities Injection vulnerability in Huawei M2000.

An XML document may contain a Document Type Definition that, among other features, allows the definition of external entities. A malicious user may perform attacks aimed at reading arbitrary files, creating a denial of service condition, scanning the demilitarized zone, etc.

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-2013-59

Reports on the vulnerabilities previously discovered by Positive Research:

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

Threatscape