==========================================================================
Ubuntu Security Notice USN-4038-2
June 26, 2019
bzip2 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
– Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in bzip2.
Software Description:
– 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
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4038-2
https://usn.ubuntu.com/4038-1
CVE-2016-3189, CVE-2019-12900
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==========================================================================
Ubuntu Security Notice USN-4038-1
June 26, 2019
bzip2 vulnerabilities
==========================================================================
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:
Several security issues were fixed in bzip2.
Software Description:
– 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
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4038-1
CVE-2016-3189, CVE-2019-12900
Package Information:
https://launchpad.net/ubuntu/+source/bzip2/1.0.6-9ubuntu0.19.04
https://launchpad.net/ubuntu/+source/bzip2/1.0.6-9ubuntu0.18.10
https://launchpad.net/ubuntu/+source/bzip2/1.0.6-8.1ubuntu0.1
https://launchpad.net/ubuntu/+source/bzip2/1.0.6-8ubuntu0.1
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