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AUSCERT External Security Bulletin Redistribution
ESB-2019.2312.2
USN-4038-1: bzip2 vulnerabilities and USN-4038-2: bzip2 vulnerabilities
5 July 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: bzip2
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-12900 CVE-2016-3189
Reference: ASB-2017.0219
ESB-2019.2276
ESB-2019.1660
Original Bulletin:
https://usn.ubuntu.com/4038-1/
https://usn.ubuntu.com/4038-2/
https://usn.ubuntu.com/4038-3/
https://usn.ubuntu.com/4038-4/
Comment: This bulletin contains two (2) Ubuntu security advisories.
Revision History: July 5 2019: Vendor updated bzip2 to fix regression issue: USN-4038-3, USN-4038-4
June 27 2019: Initial Release
- --------------------------BEGIN INCLUDED TEXT--------------------
USN-4038-1: bzip2 vulnerabilities
26 June 2019
bzip2 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
o Ubuntu 18.10
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Several security issues were fixed in bzip2.
Software Description
o bzip2 - high-quality block-sorting file compressor - utilities
Details
Aladdin Mubaied discovered that bzip2 incorrectly handled certain files. An
attacker could possibly use this issue to cause a denial of service. This issue
only affected Ubuntu 16.04 LTS. (CVE-2016-3189)
It was discovered that bzip2 incorrectly handled certain files. An attacker
could possibly use this issue to execute arbitrary code. (CVE-2019-12900)
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
libbz2-1.0 - 1.0.6-9ubuntu0.19.04
Ubuntu 18.10
bzip2 - 1.0.6-9ubuntu0.18.10
libbz2-1.0 - 1.0.6-9ubuntu0.18.10
Ubuntu 18.04 LTS
bzip2 - 1.0.6-8.1ubuntu0.1
libbz2-1.0 - 1.0.6-8.1ubuntu0.1
Ubuntu 16.04 LTS
bzip2 - 1.0.6-8ubuntu0.1
libbz2-1.0 - 1.0.6-8ubuntu0.1
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
o CVE-2016-3189
o CVE-2019-12900
- ----
USN-4038-2: bzip2 vulnerabilities
26 June 2019
bzip2 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
Summary
Several security issues were fixed in bzip2.
Software Description
o bzip2 - high-quality block-sorting file compressor - utilities
Details
USN-4038-1 fixed several vulnerabilities in bzip2. This update provides the
corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
Aladdin Mubaied discovered that bzip2 incorrectly handled certain files. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2016-3189)
It was discovered that bzip2 incorrectly handled certain files. An attacker
could possibly use this issue to execute arbitrary code. (CVE-2019-12900)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 14.04 ESM
bzip2 - 1.0.6-5ubuntu0.1~esm1
lib32bz2-1.0 - 1.0.6-5ubuntu0.1~esm1
lib64bz2-1.0 - 1.0.6-5ubuntu0.1~esm1
libbz2-1.0 - 1.0.6-5ubuntu0.1~esm1
Ubuntu 12.04 ESM
bzip2 - 1.0.6-1ubuntu0.1
lib32bz2-1.0 - 1.0.6-1ubuntu0.1
lib64bz2-1.0 - 1.0.6-1ubuntu0.1
libbz2-1.0 - 1.0.6-1ubuntu0.1
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
o USN-4038-1
o CVE-2016-3189
o CVE-2019-12900
- --------------------------------------------------------------------------------
USN-4038-3: bzip2 regression
4 July 2019
bzip2 regression
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
o Ubuntu 18.10
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
USN-4038-1 introduced a regression in bzip2.
Software Description
o 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
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
o USN-4038-1
o LP: 1834494
- --------------------------------------------------------------------------------
USN-4038-4: bzip2 regression
4 July 2019
bzip2 regression
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
Summary
USN-4038-1 introduced a regression in bzip2.
Software Description
o 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. This update
provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM.
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 14.04 ESM
bzip2 - 1.0.6-5ubuntu0.1~esm2
lib32bz2-1.0 - 1.0.6-5ubuntu0.1~esm2
lib64bz2-1.0 - 1.0.6-5ubuntu0.1~esm2
libbz2-1.0 - 1.0.6-5ubuntu0.1~esm2
Ubuntu 12.04 ESM
bzip2 - 1.0.6-1ubuntu0.2
lib32bz2-1.0 - 1.0.6-1ubuntu0.2
lib64bz2-1.0 - 1.0.6-1ubuntu0.2
libbz2-1.0 - 1.0.6-1ubuntu0.2
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
o USN-4038-1
o LP: 1834494
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