CVE-2014-2903 Information

Description

CyaSSL does not check the key usage extension in leaf certificates which allows remote attackers to spoof servers via a crafted server certificate not authorized for use in an SSL/TLS handshake.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://secunia.com/advisories/62604 http://www.openwall.com/lists/oss-security/2014/04/18/2

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.9