Executive Summary

Summary
Title bzip2 regression
Informations
Name USN-4038-3 First vendor Publication 2019-07-04
Vendor Ubuntu Last vendor Modification 2019-07-04
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 19.04 - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

USN-4038-1 introduced a regression in bzip2.

Software Description: - bzip2: high-quality block-sorting file compressor - utilities

Details:

USN-4038-1 fixed a vulnerability in bzip2. The update introduced a regression causing bzip2 to incorrect raises CRC errors for some files.

We apologize for the inconvenience.

Original advisory details:

It was discovered that bzip2 incorrectly handled certain files.
An attacker could possibly use this issue to execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04:
bzip2 1.0.6-9ubuntu0.19.04.1
libbz2-1.0 1.0.6-9ubuntu0.19.04.1

Ubuntu 18.10:
bzip2 1.0.6-9ubuntu0.18.10.1
libbz2-1.0 1.0.6-9ubuntu0.18.10.1

Ubuntu 18.04 LTS:
bzip2 1.0.6-8.1ubuntu0.2
libbz2-1.0 1.0.6-8.1ubuntu0.2

Ubuntu 16.04 LTS:
bzip2 1.0.6-8ubuntu0.2
libbz2-1.0 1.0.6-8ubuntu0.2

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

References:
https://usn.ubuntu.com/4038-3
https://usn.ubuntu.com/4038-1
https://launchpad.net/bugs/1834494

Package Information:
https://launchpad.net/ubuntu/+source/bzip2/1.0.6-9ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/bzip2/1.0.6-9ubuntu0.18.10.1
https://launchpad.net/ubuntu/+source/bzip2/1.0.6-8.1ubuntu0.2
https://launchpad.net/ubuntu/+source/bzip2/1.0.6-8ubuntu0.2

Original Source

Url : http://www.ubuntu.com/usn/USN-4038-3

Alert History

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0
Date Informations
2019-07-04 21:18:58
  • First insertion