Opera < 28.0.1750.40 SSL/TLS EXPORT_RSA Ciphers Downgrade MitM (Mac OS X) (FREAK)

medium Nessus Plugin ID 81882

Synopsis

The remote Mac OS X host has a web browser installed that is affected by the FREAK vulnerability.

Description

The remote Mac OS X host has a version of the Opera web browser installed that is prior to 28.0.1750.40. It is, therefore, affected by a security feature bypass vulnerability, known as FREAK (Factoring attack on RSA-EXPORT Keys), due to the support of weak EXPORT_RSA cipher suites with keys less than or equal to 512 bits. A man-in-the-middle attacker may be able to downgrade the SSL/TLS connection to use EXPORT_RSA cipher suites which can be factored in a short amount of time, allowing the attacker to intercept and decrypt the traffic.

Solution

Upgrade to Opera version 28.0 or later.

See Also

https://www.smacktls.com/#freak

http://www.opera.com/docs/changelogs/unified/2800/

Plugin Details

Severity: Medium

ID: 81882

File Name: macosx_opera_28_0_1750_40.nasl

Version: 1.9

Type: local

Agent: macosx

Published: 3/17/2015

Updated: 11/22/2019

Supported Sensors: Nessus Agent

Risk Information

CVSS Score Source: CVE-2015-0204

VPR

Risk Factor: Medium

Score: 4.5

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:opera:opera_browser

Required KB Items: installed_sw/Opera

Exploit Ease: No known exploits are available

Patch Publication Date: 3/10/2015

Vulnerability Publication Date: 1/8/2015

Reference Information

CVE: CVE-2015-0204

BID: 71936

CERT: 243585