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AUSCERT External Security Bulletin Redistribution
ESB-2019.1220
Wget vulnerabilities
10 April 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: wget
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-5953 CVE-2018-20483
Reference: ESB-2019.1168
ESB-2019.0137
Original Bulletin:
http://www.ubuntu.com/usn/usn-3943-1
http://www.ubuntu.com/usn/usn-3943-2
Comment: This bulletin contains two (2) Ubuntu security advisories.
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Ubuntu Security Notice USN-3943-1
April 08, 2019
wget vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 18.10
- - Ubuntu 18.04 LTS
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in Wget.
Software Description:
- - wget: retrieves files from the web
Details:
It was discovered that Wget incorrectly handled certain inputs.
An attacker could possibly use this issue to access sensitive
information. This issue only affected Ubuntu 18.04 LTS and
Ubuntu 18.10. (CVE-2018-20483)
Kusano Kazuhiko discovered that Wget incorrectly handled certain
inputs. An attacker could possibly use this issue to execute arbitrary
code. (CVE-2019-5953)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.10:
 wget                             1.19.5-1ubuntu1.1
Ubuntu 18.04 LTS:
 wget                             1.19.4-1ubuntu2.2
Ubuntu 16.04 LTS:
 wget                             1.17.1-1ubuntu1.5
Ubuntu 14.04 LTS:
 wget                             1.15-1ubuntu1.14.04.5
In general, a standard system update will make all the necessary
changes.
References:
 https://usn.ubuntu.com/usn/usn-3943-1
 CVE-2018-20483, CVE-2019-5953
Package Information:
 https://launchpad.net/ubuntu/+source/wget/1.19.5-1ubuntu1.1
 https://launchpad.net/ubuntu/+source/wget/1.19.4-1ubuntu2.2
 https://launchpad.net/ubuntu/+source/wget/1.17.1-1ubuntu1.5
 https://launchpad.net/ubuntu/+source/wget/1.15-1ubuntu1.14.04.5
===============================================================================
==========================================================================
Ubuntu Security Notice USN-3943-2
April 09, 2019
wget vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in Wget.
Software Description:
- - wget: retrieves files from the web
Details:
USN-3943-1 fixed a vulnerability in Wget. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
 Kusano Kazuhiko discovered that Wget incorrectly handled certain
 inputs. An attacker could possibly use this issue to execute arbitrary
 code. (CVE-2019-5953)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
 wget                             1.13.4-2ubuntu1.7
In general, a standard system update will make all the necessary
changes.
References:
 https://usn.ubuntu.com/usn/usn-3943-2
 https://usn.ubuntu.com/usn/usn-3943-1
 CVE-2019-5953
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