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Security Advisory - XXE Vulnerability in the E9000

  • SA No:huawei-sa-20160824-01-e9000
  • Initial Release Date: Aug 24, 2016
  • Last Release Date: Aug 24, 2016

E9000 has an XML External Entity (XXE) vulnerability when parsing user-supplied XML documents in HMM (Hyper Management Module). Attackers could exploit this vulnerability to read arbitrary files and cause a denial of the web service. (Vulnerability ID: HWPSIRT-2016-05249)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-6898

Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160824-01-e9000-en


Product Name

Affected Version

Resolved Product and Version

E9000 Chassis

V100R001C00

V100R001C00SPC296

Attackers could exploit this vulnerability to read arbitrary files and cause a denial of the web service.

The vulnerability classification has been performed by using the CVSSv2 scoring system (http://www.first.org/cvss/).

Base Score: 7.5 (AV:N/AC:L/Au:S/C:C/I:N/A:P)

Temporal Score: 6.2 (E:F/RL:O/RC:C)

1. Prerequisite:

The attacker has normal user permissions.

2. Attacking procedure:

Attackers could submit malicious XML documents in HMM to read arbitrary files and cause a denial of the web service.

Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/psirt/report-vulnerabilities.

This vulnerability was discovered by Huawei internal tester.

Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.

To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.

To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

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