SB2019072905 - Improper certifiacte verification in Huawei 7900 IP Phones
Published: July 29, 2019
Security Bulletin ID
SB2019072905
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Certificate Validation (CVE-ID: CVE-2019-5280)
CWE-ID: CWE-295 - Improper Certificate Validation
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
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.