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USN-3628-2: OpenSSL vulnerability

19 April 2018

OpenSSL could allow access to sensitve information.

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Releases

Packages

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

Details

USN-3628-1 fixed a vulnerability in OpenSSL. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Alejandro Cabrera Aldaya, Billy Brumley, Cesar Pereida Garcia and Luis Manuel Alvarez Tapia
discovered that OpenSSL incorrectly handled RSA key generation. An attacker could possibly
use this issue to perform a cache-timing attack and recover private RSA keys.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 12.04

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

References

Related notices

  • USN-3628-1: libcrypto1.0.0-udeb, openssl, libssl1.0.0, libssl-doc, libssl1.0.0-udeb, libssl-dev
  • USN-3692-1: libssl1.1-udeb, libcrypto1.0.0-udeb, libssl1.0-dev, libcrypto1.1-udeb, libssl1.0.0, libssl-doc, libssl1.1, openssl, libssl-dev, libssl1.0.0-udeb, openssl1.0
  • USN-3692-2: libssl1.0.0, openssl