CVE-2021-20213 Information

Description

A flaw was found in Privoxy in versions before 3.0.29. Dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabled Privoxy failed to get the request destination from the Host header and a memory allocation failed.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://www.privoxy.org/3.0.29/user-manual/whatsnew.html https://bugzilla.redhat.com/show_bug.cgi?id=1928739 https://security.gentoo.org/glsa/202107-16

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5