USN-3464-2: Wget vulnerabilities

Releases

• Ubuntu 12.04

Packages

• wget - retrieves files from the web

Details

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)

Update instructions

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

Ubuntu 12.04

• wget - 1.13.4-2ubuntu1.5

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

References

• CVE-2016-7098
• CVE-2017-13089
• CVE-2017-13090
• CVE-2017-6508

Related notices

• USN-3464-1: wget-udeb, wget