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Ubuntu Security Notice USN-3464-1

Ubuntu Security Notice USN-3464-1
Posted Oct 26, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3464-1 - Antti Levomaki, Christian Jalio, and Joonas Pihlaja discovered that Wget incorrectly handled certain HTTP responses. A remote attacker could use this issue to cause Wget to crash, resulting in a denial of service, or possibly execute arbitrary code. Dawid Golunski discovered that Wget incorrectly handled recursive or mirroring mode. A remote attacker could possibly use this issue to bypass intended access list restrictions. Various other issues were also addressed.

tags | advisory, remote, web, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-7098, CVE-2017-13089, CVE-2017-13090, CVE-2017-6508
MD5 | b3402a151ba7a6e7336cccf6555e8d39

Ubuntu Security Notice USN-3464-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3464-1
October 26, 2017

wget vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 17.10
- Ubuntu 17.04
- 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:

Antti LevomA$?ki, Christian Jalio, and Joonas Pihlaja discovered that Wget
incorrectly handled certain HTTP responses. A remote attacker could use
this issue to cause Wget to crash, resulting in a denial of service, or
possibly execute arbitrary code. (CVE-2017-13089, CVE-2017-13090)

Dawid Golunski discovered that Wget incorrectly handled recursive or
mirroring mode. A remote attacker could possibly use this issue to bypass
intended access list restrictions. (CVE-2016-7098)

Orange Tsai discovered that Wget incorrectly handled CRLF sequences in
HTTP headers. A remote attacker could possibly use this issue to inject
arbitrary HTTP headers. (CVE-2017-6508)

Update instructions:

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

Ubuntu 17.10:
wget 1.19.1-3ubuntu1.1

Ubuntu 17.04:
wget 1.18-2ubuntu1.1

Ubuntu 16.04 LTS:
wget 1.17.1-1ubuntu1.3

Ubuntu 14.04 LTS:
wget 1.15-1ubuntu1.14.04.3

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

References:
https://www.ubuntu.com/usn/usn-3464-1
CVE-2016-7098, CVE-2017-13089, CVE-2017-13090, CVE-2017-6508

Package Information:
https://launchpad.net/ubuntu/+source/wget/1.19.1-3ubuntu1.1
https://launchpad.net/ubuntu/+source/wget/1.18-2ubuntu1.1
https://launchpad.net/ubuntu/+source/wget/1.17.1-1ubuntu1.3
https://launchpad.net/ubuntu/+source/wget/1.15-1ubuntu1.14.04.3


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