USN-4173-1: FreeTDS vulnerability
freetds vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 19.04
- Ubuntu 18.04 LTS
Summary
FreeTDS could be made to crash or run programs if it received specially
crafted network traffic.
Software Description
- 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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.10
- 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
- Ubuntu 19.04
- 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
- Ubuntu 18.04 LTS
- 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
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-4173-1: FreeTDS vulnerability
