OpenSSL DSA code double release Vulnerability (CVE-2016-0705)

OpenSSL DSA code double release Vulnerability (CVE-2016-0705)
OpenSSL DSA code double release Vulnerability (CVE-2016-0705)

Release date:
Updated on:

Affected Systems:

OpenSSL Project OpenSSL <＝1.0.2
OpenSSL Project OpenSSL <= 1.0.1

Unaffected system:

OpenSSL Project OpenSSL 1.0.2g
OpenSSL Project OpenSSL 1.0.1s

Description:

CVE (CAN) ID: CVE-2016-0705

OpenSSL is an open-source SSL implementation that implements high-strength encryption for network communication. It is widely used in various network applications.

The dual release vulnerability exists in parsing malformed DSA keys of OpenSSL 1.0.2 and earlier versions, 1.0.1 and earlier versions, which can cause affected applications to reject services or cause memory corruption.

<* Source: Adam Langley

Link: https://www.openssl.org/news/secadv/20160301.txt
*>

Suggestion:

Vendor patch:

OpenSSL Project
---------------
The OpenSSL Project has released a Security Bulletin (20160301) and corresponding patches for this purpose:
20160301: OpenSSL Security Advisory [1st March 2016]
Link: https://www.openssl.org/news/secadv/20160301.txt

For more information about OpenSSL, see the following links:

Use OpenSSL command line to build CA and Certificate

Install OpenSSL in Ubuntu

Provides FTP + SSL/TLS authentication through OpenSSL and implements secure data transmission.

Use OpenSSL to generate certificates in Linux

Use OpenSSL to sign multi-domain certificates

Add a custom encryption algorithm to OpenSSL

OpenSSL details: click here
OpenSSL: click here

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