Input validation error in OpenSSL - CVE-2014-5139

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Main Vulnerability Database Vulnerabilities #VU41415

Input validation error in OpenSSL - CVE-2014-5139

Published: August 14, 2014 / Updated: February 16, 2021


Vulnerability identifier: #VU41415
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-5139
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenSSL Software Foundation
Affected software:
OpenSSL

Detailed vulnerability description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and client application crash) via a ServerHello message that includes an SRP ciphersuite without the required negotiation of that ciphersuite with the client.


How to mitigate CVE-2014-5139

Install update from vendor's website.

Sources