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There is a memory leak vulnerability in several Huawei products. An unauthenticated, remote attacker could craft malformed packets with specific parameters when connecting with the affect products by SFTP/SSH protocol. Due to insufficient validation of packets, successful exploit could cause a memory leak and eventual denial of service (DoS) condition. (Vulnerability ID: HWPSIRT-2017-07015)
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-20180103-01-sftp-en
Product Name |
Affected Version |
Resolved Product and Version |
DP300 |
V500R002C00 |
V500R002C00SPCb00 |
RP200 |
V500R002C00SPC200 |
Upgrade to TE60 V600R006C00SPC500 |
V600R006C00 |
TE60 V600R006C00SPC500 |
|
TE30 |
V100R001C02 |
Upgrade to TE60 V600R006C00SPC500 |
V100R001C10 |
||
V500R002C00 |
||
V600R006C00 |
TE60 V600R006C00SPC500 |
|
TE40 |
V500R002C00 |
Upgrade to TE60 V600R006C00SPC500 |
V600R006C00 |
TE60 V600R006C00SPC500 |
|
TE50 |
V500R002C00 |
Upgrade to TE60 V600R006C00SPC500 |
V600R006C00 |
TE60 V600R006C00SPC500 |
|
TE60 |
V100R001C01 |
Upgrade to V600R006C00SPC500 |
V100R001C10 |
||
V500R002C00 |
||
V600R006C00 |
V600R006C00SPC500 |
|
TP3106 |
V100R002C00 |
TP3206 V100R002C00SPC800 |
TP3206 |
V100R002C00 |
V100R002C00SPC800 |
V100R002C10 |
By exploiting this vulnerability, an attacker can cause a memory leak and eventual denial of service (DoS) condition.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 5.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Temporal Score: 4.9 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker gains access to the network.
Vulnerability details:
There is a memory leak vulnerability in several Huawei products. An unauthenticated, remote attacker could craft malformed packets with specific parameters when connecting with the affect products by SFTP/SSH protocol. Due to insufficient validation of packets, successful exploit could cause a memory leak and eventual denial of service (DoS) condition.
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.
These vulnerabilities were discovered by Huawei internal tester.
2018-01-03 V1.0 INITIAL
None
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.