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Security Advisory - Out-of-Bounds Read Vulnerability in Some Huawei Products

  • SA No:huawei-sa-20180228-01-sftp
  • Initial Release Date: 2018.02.28
  • Last Release Date: 2018.02.28

There is an out-of-bounds read vulnerability in the SFTP module of some Huawei products. A remote, authenticated attacker could exploit this vulnerability by sending specially crafted messages to a target device. Successful exploit may cause some information leak. (Vulnerability ID: HWPSIRT-2017-09071)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-17281.

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-20180228-01-sftp-en


Product Name

Affected Version

Resolved Product and Version

DP300

V500R002C00

V500R002C00SPCb00

RP200

V600R006C00

TEX0[1] V600R006C00SPC400

TE30

V100R001C10

Upgrade to TEX0[1] V600R006C00SPC400

V500R002C00

V600R006C00

TEX0[1] V600R006C00SPC400

TE40

V500R002C00

Upgrade to TEX0[1] V600R006C00SPC400

V600R006C00

TEX0[1] V600R006C00SPC400

TE50

V500R002C00

Upgrade to TEX0[1] V600R006C00SPC400

V600R006C00

TEX0[1] V600R006C00SPC400

TE60

V100R001C10

Upgrade to TEX0[1] V600R006C00SPC400

V500R002C00

V600R006C00

TEX0[1] V600R006C00SPC400

Note:

[1] RP200, TE30, TE40, TE50,TE60 and TX50 are included in the TEX0 software package.

Successful exploit may cause some information leak.


The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

Temporal Score: 4.0 (E:F/RL:O/RC:C)


This vulnerability can be exploited only when the following conditions are present:

1. The attacker gains the access of the affected products.

Vulnerability details:

A remote, authenticated attacker could exploit this vulnerability by sending specially crafted messages to a target device. Successful exploit may cause some information leak.


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.


2018-02-28 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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