[USN-3464-2] Wget vulnerabilities
Leonidas S. Barbosa
leo.barbosa at canonical.com
Mon Oct 30 13:59:30 UTC 2017
Ubuntu Security Notice USN-3464-2
October 30, 2017
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Several security issues were fixed in Wget.
- wget: retrieves files from the web
USN-3464-1 fixed several vulnerabilities in Wget. This update
provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Antti Levomäki, 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)
The problem can be corrected by updating your system to the following
Ubuntu 12.04 ESM:
In general, a standard system update will make all the necessary
CVE-2016-7098, CVE-2017-13089, CVE-2017-13090, CVE-2017-6508
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