Buffer overflow in USG9500 - CVE-2019-5273
Published: January 2, 2020 / Updated: January 17, 2020
Vulnerability identifier: #VU23860
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2019-5273
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a flaw in the X.509 implementation. A remote attacker can use a specially crafted certificate, trigger memory corruption and cause a denial of service condition on the target system.
Affected software
USG9500
How to mitigate CVE-2019-5273
Install updates from vendor's website.
USG9500 - update to V500R005C00SPC200