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USN-3611-2: OpenSSL vulnerabilities

17 April 2018

Several security issues were fixed in OpenSSL.

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Releases

Packages

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

Details

USN-3611-1 fixed a vulnerability in OpenSSL. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that OpenSSL incorrectly parsed the IPAddressFamily
extension in X.509 certificates, resulting in an erroneous display of the
certificate in text format. (CVE-2017-3735)

It was discovered that OpenSSL incorrectly handled certain ASN.1 types. A
remote attacker could possibly use this issue to cause a denial of service.
(CVE-2018-0739)

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.

Related notices

  • USN-3475-1: libssl-dev, libssl-doc, libssl1.0.0-udeb, libcrypto1.0.0-udeb, libssl1.0.0, openssl
  • USN-3611-1: libssl-dev, libssl-doc, libssl1.0.0-udeb, libcrypto1.0.0-udeb, libssl1.0.0, openssl