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Security Advisory - DNS Static Source Port Vulnerability in Huawei E5151 and E5186

  • SA No:huawei-sa-20160129-01-dns
  • Initial Release Date: Jan 29, 2016
  • Last Release Date: Feb 06, 2016

Huawei E5151 and E5186 allow DNS query packets using the static source port. Attackers can exploit the vulnerability to launch DNS Spoofing Attack and compromise the normal service of DNS. (Vulnerability ID: HWPSIRT-2015-10001)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-8265.

Huawei has released software update to fix this vulnerability. This advisory is available at the following link:
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160129-01-dns-en

Product Name

Affected Version

Resolved Product and Version

E5186

V200R001B306D01C00

Upgrade to V200R001B310D01SP00C00

E5151[1]

E5151s-2TCPU-V200R001B141D13SP00C1080

Upgrade to E5151s-2TCPU-V200R001B146D27SP00C00

NOTE: [1] E5151 is a carrier-branded product, and users can obtain the fixed version from their carriers.


Attackers can exploit the vulnerability to launch DNS Spoofing Attack and compromise the normal service of DNS.

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

Base Score: 5.0 (AV:N/AC:L/Au:N/C:N/I:P/A:N)

Temporal Score: 4.1 (E:F/RL:O/RC:C)

Prerequisite:

1 Attackers can access to the device.

Attacking procedure:

The device allows DNS query packets using the static source port. Attackers can exploit the vulnerability to launch DNS Spoofing Attack and compromise the normal service of DNS.

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 reported to Huawei PSIRT by Joel Land of the CERT/CC. Huawei would like to thank Joel Land for working with us and coordinated vulnerability disclosure to protect our customers.

2016-02-06 V1.2 UPDATED Revised the CVSS vector.

2016-02-04 V1.1 UPDATED Revised the information of affected products.

2016-01-29 V1.0 INITIAL

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.comFor details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.


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