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There is an access control bypass vulnerability in some Huawei products. Attackers that can access to the internal network can exploit this vulnerability with careful deployment. Successful exploit may cause the access control to be bypassed, and attackers can directly access the Internet. (Vulnerability ID: HWPSIRT-2019-12397)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-1860.
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-20200219-02-firewall-en
Product Name |
Affected Version |
Resolved Product and Version |
NIP6800 |
V500R001C30 |
Upgrade to V500R005C20SPC300 |
V500R001C60 |
||
V500R005C00 |
||
Secospace USG6600 |
V500R001C30 |
Upgrade to V500R005C20SPC300 |
V500R001C60 |
||
V500R005C00 |
||
USG9500 |
V500R001C30 |
Upgrade to V500R005C20SPC300 |
V500R001C60 |
||
V500R005C00 |
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 4.3 (AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)Temporal Score: 4.0 (E:F/RL:O/RC:C)
Attackers can access the internal network of the device.
Vulnerability details:
There is an access control bypass vulnerability in some Huawei products. Attackers that can access to the internal network can exploit this vulnerability with careful deployment. Successful exploit may cause the access control to be bypassed, and attackers can directly access the Internet.
rule 5 permit ip destination X.X.X.X 0
rule 10 deny udp source-port eq dns
rule 15 permit ip
X.X.X.X is the destination IP address of the DNS messages that are allowed to pass through.
The principle is that only the DNS messages whose destination IP address is the specified DNS server are permitted, and the DNS messages sent to other DNS servers are not permitted.
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.
2020-02-19 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.