Dominic Scheirlinck and Scott Geary of Vend reported insecure behavior in the lighttpd web server. Lighttpd assigned Proxy header values from client requests to internal HTTP_PROXY environment variables, allowing remote attackers to carry out Man in the Middle (MITM) attacks or

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Debian Security Advisory DSA-3642-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                       Sebastien Delafond
August 05, 2016                       https://www.debian.org/security/faq
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Package        : lighttpd
CVE ID         : CVE-2016-1000212
Debian Bug     : 832571

Dominic Scheirlinck and Scott Geary of Vend reported insecure behavior
in the lighttpd web server. Lighttpd assigned Proxy header values from
client requests to internal HTTP_PROXY environment variables, allowing
remote attackers to carry out Man in the Middle (MITM) attacks or
initiate connections to arbitrary hosts.

For the stable distribution (jessie), this problem has been fixed in
version 1.4.35-4+deb8u1.

We recommend that you upgrade your lighttpd packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

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