SB2019072905 - Improper certifiacte verification in Huawei 7900 IP Phones
Published: July 29, 2019
Security Bulletin ID
SB2019072905
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Certificate Validation (CVE-ID: CVE-2019-5280)
The vulnerability allows a remote attacker to cause affected phones registered abnormally.
The vulnerability exists due to the insufficient verification of specific parameters of the TLS server certificate. A remote attacker can perform man-in-the-middle attacks. This leads to the affected phones registered abnormally, affects the availability of IP phones.
Remediation
Install update from vendor's website.