N/A - USN-4173-1

Executive Summary

Summary
Title	FreeTDS vulnerability

Informations
Name	USN-4173-1	First vendor Publication	2019-10-30
Vendor	Ubuntu	Last vendor Modification	2019-10-30
Severity (Vendor)	N/A	Revision	N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score	NA
Base Score	NA	Environmental Score	NA
impact SubScore	NA	Temporal Score	NA
Exploitabality Sub Score	NA

Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score	N/A	Attack Range	N/A
Cvss Impact Score	N/A	Attack Complexity	N/A
Cvss Expoit Score	N/A	Authentication	N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4173-1
CVE-2019-13508

Package Information:
https://launchpad.net/ubuntu/+source/freetds/1.1.6-1ubuntu0.1
https://launchpad.net/ubuntu/+source/freetds/1.00.104-1ubuntu0.1
https://launchpad.net/ubuntu/+source/freetds/1.00.82-2ubuntu0.1