Security Advisory - Use of Insufficiently Random Values Vulnerability in Huawei ViewPoint Products
- SA No:huawei-sa-20191120-01-viewpoint
- Initial Release Date: 2019-11-20
- Last Release Date: 2019-11-20
There is a use of insufficiently random values vulnerability in Huawei ViewPoint products. An unauthenticated, remote attacker can guess information by a large number of attempts. Successful exploitation may cause information leak. (Vulnerability ID: HWPSIRT-2019-10076)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5232.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191120-01-viewpoint-en
|
Product Name |
Affected Version |
Resolved Product and Version |
|
VP9630 |
V500R002C00 |
Upgrade to V500R002C10SPCi10 |
|
V500R002C10 |
V500R002C10SPCi10 |
|
|
VP9650 |
V500R002C00 |
Upgrade to V500R002C10SPCi10 |
|
V500R002C10 |
V500R002C10SPCi10 |
|
|
VP9660 |
V500R002C00 |
Upgrade to V500R002C10SPCi10 |
|
V500R002C10 |
V500R002C10SPCi10 |
By exploiting this vulnerability, an attacker can cause information leak.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 5.9 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Temporal Score: 5.5 (E:F/RL:O/RC:C)
Overall Score: 5.5
This vulnerability can be exploited only when the following conditions are present:
The attacker gains access to the network.
Vulnerability details:
There is a use of insufficiently random values vulnerability in Huawei ViewPoint products. An unauthenticated, remote attacker can guess information by a large number of attempts. Successful exploitation may cause information leak.
Solution 1: Disable the SSH login function. The following uses the VP9660 as an example to describe how to disable SSH login.
Web interface: Choose Settings > System > HTTP/Telnet > Support SSH
Solution 2: Modify the firewall policy or Datacom device policy to allow only valid IP addresses to access TCP port 22 of any IP address of the MCU. This solution is recommended.
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/index.htm
This vulnerability was reported to Huawei PSIRT by security researcher.
2019-11-20 V1.0 INITIAL
None
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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.
