OpenSSL 1.0.1 < 1.0.1g Multiple Vulnerabilities (Heartbleed)

Medium Nessus Network Monitor Plugin ID 8194

Synopsis

The remote web server is running an instance of OpenSSL that might be affected by a denial of service vulnerability.

Description

OpenSSL versions 1.0.1 earlier than 1.0.1g contain the following vulnerabilities:

- Out-of-bounds read flaw that can be triggered through TLS heartbeat extension packets to disclose up to 64kB of memory containing sensitive information, possibly including secret keys. (CVE-2014-0160)

- Improperly implemented Elliptic Curve Digital Signature Algorithm (ECDSA) could allow nonce disclosure via the 'FLUSH+RELOAD' cache side-channel attack. (CVE-2014-0076)

Solution

Upgrade to OpenSSL version 1.0.0g or later.

See Also

http://heartbleed.com

http://filippo.io/Heartbleed

http://www.openssl.org/news/vulnerabilities.html

http://www.openssl.org

https://gist.github.com/sh1n0b1/10100394

Plugin Details

Severity: Medium

ID: 8194

Family: Web Servers

Published: 2014/04/08

Updated: 2019/03/06

Dependencies: 5563

Nessus ID: 73404

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 5.3

Temporal Score: 4.7

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:openssl:openssl

Patch Publication Date: 2014/04/07

Vulnerability Publication Date: 2014/04/07

Reference Information

CVE: CVE-2014-0160, CVE-2014-0076

BID: 66690, 66363

IAVA: 2014-A-0100, 2015-A-0113

IAVB: 2014-B-0077