Vulnerability CVE-2019-5300


Published: 2019-06-04

Description:
There is a digital signature verification bypass vulnerability in AR1200, AR1200-S, AR150, AR160, AR200, AR2200, AR2200-S, AR3200, SRG1300, SRG2300 and SRG3300 Huawei routers. The vulnerability is due to the affected software improperly verifying digital signatures for the software image in the affected device. A local attacker with high privilege may exploit the vulnerability to bypass integrity checks for software images and install a malicious software image on the affected device.

Type:

CWE-347

(Improper Verification of Cryptographic Signature)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.6/10
6.4/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Huawei -> Ar1200-s firmware 
Huawei -> Ar1200 firmware 
Huawei -> Ar150 firmware 
Huawei -> Ar160 firmware 
Huawei -> Ar200 firmware 
Huawei -> Ar2200 firmware 
Huawei -> Ar2200s firmware 
Huawei -> Ar3200 firmware 
Huawei -> Srg1300 firmware 
Huawei -> Srg2300 firmware 
Huawei -> Srg3300 firmware 

 References:
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190320-01-ar-en

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