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Security Advisory - DoS Vulnerability in Timergrp Module of Some Huawei Products

  • SA No:huawei-sa-20171220-01-vpp
  • Initial Release Date: Dec 20, 2017
  • Last Release Date: Dec 20, 2017

There is an DoS vulnerability in Timergrp module of some Huawei products due to insufficient validation of the parameter. An authenticated local attacker may call a special API with special parameter, which cause an infinite loop. Successful exploit of this vulnerability can allow an attacker to launch DOS attack. (Vulnerability ID: HWPSIRT-2017-08140)

This vulnerability has been assigned a CVE ID: CVE-2017-17150.
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-20171220-01-vpp-en

Product Name

Affected Version

Resolved Product and Version

DP300

V500R002C00

V500R002C00SPCb00

RP200

V500R002C00

Upgrade to V600R006C00SPC400

V600R006C00

V600R006C00SPC400

TE30

V100R001C10

Upgrade to V600R006C00SPC400

V500R002C00

V600R006C00

V600R006C00SPC400

TE40

V500R002C00

Upgrade to V600R006C00SPC400

V600R006C00

V600R006C00SPC400

TE50

V500R002C00

Upgrade to V600R006C00SPC400

V600R006C00

V600R006C00SPC400

TE60

V100R001C10

Upgrade to V600R006C00SPC400

V500R002C00

V600R006C00

V600R006C00SPC400

Successful exploit of this vulnerability can allow an attacker to launch DOS attack.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 5.5 (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Temporal Score: 5.1 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker can login the vulnerable system.
Vulnerability details:
There is an DoS vulnerability in Timergrp module of some Huawei products due to insufficient validation of the parameter. An authenticated local attacker may call a special API with special parameter, which cause an infinite loop. Successful exploit of this vulnerability can allow an attacker to launch DOS attack.

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.
2017-12-20 V1.0 INITIAL

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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