CVE-2013-2503

Description

Privoxy before 3.0.21 does not properly handle Proxy-Authenticate and Proxy-Authorization headers in the client-server data stream, which makes it easier for remote HTTP servers to spoof the intended proxy service via a 407 (aka Proxy Authentication Required) HTTP status code.

How to fix CVE-2013-2503

To remediate CVE-2013-2503, upgrade the affected package to a fixed version below.

• Debian/privoxy—upgrade to 3.0.21-1 or later

Is CVE-2013-2503 being exploited?

Low — EPSS is 3.5%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• from 0, < 3.0.21-1

References (1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2013-2503