GLSA 201706-16: GNU Wget: Header injection

http://security.gentoo.org/

Severity:	normal
Title:	GNU Wget: Header injection
Date:	06/20/2017
Bugs:	#612326
ID:	201706-16

Synopsis

A header injection vulnerability in GNU Wget might allow remote attackers to inject arbitrary HTTP headers.

Background

GNU Wget is a free software package for retrieving files using HTTP, HTTPS and FTP, the most widely-used Internet protocols.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-misc/wget	< 1.19.1-r1	>= 1.19.1-r1	All supported architectures

Description

It was discovered that there was a header injection vulnerability in GNU Wget which allowed remote attackers to inject arbitrary HTTP headers via CRLF sequences in the host subcomponent of a URL.

Impact

A remote attacker could inject arbitrary HTTP headers in requests by tricking a user running GNU Wget into processing crafted URLs.

Workaround

There is no known workaround at this time.

Resolution

All GNU Wget users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-misc/wget-1.19.1-r1"

References

CVE-2017-6508

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201706-16.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.