1. Ubuntu Security Notices
  2. USN-1516-1

USN-1516-1: OpenSSL vulnerability

Publication date

25 July 2012

Overview

OpenSSL incorrectly disabled TLS 1.1 and TLS 1.2 in certain applications.

Releases

Packages

  • openssl - Secure Socket Layer (SSL) cryptographic library and tools

Details

It was discovered that OpenSSL incorrectly handled the SSL_OP_ALL setting.
This resulted in TLS 1.1 and TLS 1.2 being inadvertently disabled for
certain server and client applications.

It was discovered that OpenSSL incorrectly handled the SSL_OP_ALL setting.
This resulted in TLS 1.1 and TLS 1.2 being inadvertently disabled for
certain server and client applications.

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
12.04 precise libssl1.0.0 –  1.0.1-4ubuntu5.3

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References

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