Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2013-03-11T17:55:01.830

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application privoxy privoxy ≤ 3.0.20 Yes
Application privoxy privoxy 2.9.0 Yes
Application privoxy privoxy 2.9.1 Yes
Application privoxy privoxy 2.9.2 Yes
Application privoxy privoxy 2.9.3 Yes
Application privoxy privoxy 2.9.11 Yes
Application privoxy privoxy 2.9.11 Yes
Application privoxy privoxy 2.9.11 Yes
Application privoxy privoxy 2.9.12 Yes
Application privoxy privoxy 2.9.13 Yes
Application privoxy privoxy 2.9.14 Yes
Application privoxy privoxy 2.9.16 Yes
Application privoxy privoxy 2.9.18 Yes
Application privoxy privoxy 3.0 Yes
Application privoxy privoxy 3.0.2 Yes
Application privoxy privoxy 3.0.3 Yes
Application privoxy privoxy 3.0.5 Yes
Application privoxy privoxy 3.0.6 Yes
Application privoxy privoxy 3.0.7 Yes
Application privoxy privoxy 3.0.8 Yes
Application privoxy privoxy 3.0.9 Yes
Application privoxy privoxy 3.0.10 Yes
Application privoxy privoxy 3.0.11 Yes
Application privoxy privoxy 3.0.12 Yes
Application privoxy privoxy 3.0.13 Yes
Application privoxy privoxy 3.0.14 Yes
Application privoxy privoxy 3.0.15 Yes
Application privoxy privoxy 3.0.16 Yes
Application privoxy privoxy 3.0.17 Yes
Application privoxy privoxy 3.0.18 Yes
Application privoxy privoxy 3.0.19 Yes
References