1. Ubuntu Security Notices
  2. USN-3611-1

USN-3611-1: OpenSSL vulnerability

Publication date

28 March 2018

Overview

OpenSSL could be made to crash if it received specially crafted network traffic.

Releases

Packages

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

Details

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.

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.

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
17.10 artful libssl1.0.0 –  1.0.2g-1ubuntu13.4
16.04 xenial libssl1.0.0 –  1.0.2g-1ubuntu4.11
14.04 trusty libssl1.0.0 –  1.0.1f-1ubuntu2.24

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References

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