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Gentoo: GLSA-201706-16 Normal: Wget Header Injection Attack

gentoo
Calendar Grey June 20, 2017
Scroller Gentoo Esm H88
The vulnerability in the GNU Wget allows for header injection, enabling remote attackers to alter HTTP headers, requiring immediate attention.
A header injection vulnerability in GNU Wget might allow remote attackers to inject arbitrary HTTP headers.

Summary

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.

Topics%20covered

Topics Covered

security advisory gentoo remote attack wget header injection

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

[ 1 ] CVE-2017-6508 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6508

Availability

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

Severity: Normal
Title: GNU Wget: Header injection
Date: June 20, 2017
Bugs: #612326
ID: 201706-16

Topics%20covered

Topics Covered

security advisory gentoo remote attack wget header injection

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/wget < 1.19.1-r1 >= 1.19.1-r1

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.