1. Ubuntu Security Notices
  2. USN-4173-1

USN-4173-1: FreeTDS vulnerability

Publication date

30 October 2019

Overview

FreeTDS could be made to crash or run programs if it received specially crafted network traffic.

Releases

Packages

  • freetds - libraries for connecting to MS SQL and Sybase SQL servers

Details

Felix Wilhelm discovered that FreeTDS incorrectly handled certain types
after a protocol downgrade. A remote attacker could use this issue to cause
FreeTDS to crash, resulting in a denial of service, or possibly execute
arbitrary code.

Felix Wilhelm discovered that FreeTDS incorrectly handled certain types
after a protocol downgrade. A remote attacker could use this issue to cause
FreeTDS to crash, resulting in a denial of service, or possibly execute
arbitrary code.

Update instructions

In general, a standard system update will 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
19.10 eoan freetds-bin –  1.1.6-1ubuntu0.1
libct4 –  1.1.6-1ubuntu0.1
libsybdb5 –  1.1.6-1ubuntu0.1
tdsodbc –  1.1.6-1ubuntu0.1
19.04 disco freetds-bin –  1.00.104-1ubuntu0.1
libct4 –  1.00.104-1ubuntu0.1
libsybdb5 –  1.00.104-1ubuntu0.1
tdsodbc –  1.00.104-1ubuntu0.1
18.04 bionic freetds-bin –  1.00.82-2ubuntu0.1
libct4 –  1.00.82-2ubuntu0.1
libsybdb5 –  1.00.82-2ubuntu0.1
tdsodbc –  1.00.82-2ubuntu0.1

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References

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