Buffer overflow in OpenSSL - CVE-2022-3786
Published: November 1, 2022 / Updated: January 22, 2023
Vulnerability identifier: #VU68896
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2022-3786
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: OpenSSL Software Foundation
Affected software:
OpenSSL
OpenSSL
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 when processing the email
address field length inside a X.509 certificate. A remote attacker can supply a
specially crafted certificate to the application, trigger a buffer overflow and crash the application.
How to mitigate CVE-2022-3786
Install updates from vendor's website.