SSLV2 Handshake malformed key buffer overflow in OpenSSL - CVE-2002-0656

 

SSLV2 Handshake malformed key buffer overflow in OpenSSL - CVE-2002-0656

Published: August 1, 2016 / Updated: September 14, 2018


Vulnerability identifier: #VU245
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Red
CVE-ID: CVE-2002-0656
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: OpenSSL Software Foundation
Affected software:
OpenSSL

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in OpenSSL. A remote unauthenticated attacker can execute arbitrary code by sending a large client master key in SSL2 or a large session ID in SSL3.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

How to mitigate CVE-2002-0656

Upgrade your version to OpenSSL 0.9.6e.

Sources