Heap-based buffer overflow in USG9500 - CVE-2019-5275

 

Heap-based buffer overflow in USG9500 - CVE-2019-5275

Published: January 2, 2020 / Updated: January 17, 2020


Vulnerability identifier: #VU23862
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-5275
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Huawei
Affected software:
USG9500

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the X.509 implementation. A remote attacker can use a specially crafted certificate, trigger heap-based buffer overflow and cause a denial of service on the target system.



How to mitigate CVE-2019-5275

Install updates from vendor's website.

Sources