Improper input validation in Privoxy

CVE-2013-2503

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.046 (90.8th percentile) — read the EPSS interpretation.

Affected products

  • Privoxy — versions 2.9.0, 2.9.1, 2.9.2
  • N/a — versions n/a

Weakness classification (CWE)

References