Vulnerability Solutions

The WatchMouse Periodic Vulnerability Scan checks for the vulnerability below. To see the most recently added vulnerability solutions that are scanned by WatchMouse, go to the Vulnerability Solutions overview

Category: Web Servers Risk factor: Critical Added: 12 Mar 2010
Synopsis:

The remote web server has multiple SSL-related vulnerabilities.

Description:

According to its banner, the remote web server uses a version of OpenSSL older than 0.9.8m. Such versions have the following vulnerabilities :

- Session renegotiations are not handled properly, which could be exploited to insert arbitrary plaintext by a man-in-the-middle. (CVE-2009-3555)

- The library does not check for a NULL return value from calls to the bn_wexpand() function, which has unspecified impact. (CVE-2009-3245)

See also:

http://rt.openssl.org/Ticket/Display.html?id=2111&user=guest&pass=guest
http://marc.info/?l=openssl-announce&m=126714485629486&w=2

Solution:

Upgrade to OpenSSL 0.9.8m or later.

Risk factor:

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)