CVE-2021-20213

2021-02-0300:00:00

ubuntu.com

privoxy

null-pointer

crash

accept-intercepted-requests

memory allocation

unix

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

53.1%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchprivoxy< 3.0.26-5ubuntu0.1UNKNOWN
ubuntu20.04noarchprivoxy< 3.0.28-2ubuntu0.1UNKNOWN
ubuntu20.10noarchprivoxy< 3.0.28-3ubuntu0.1UNKNOWN
ubuntu14.04noarchprivoxy< 3.0.21-7+deb8u1ubuntu0.1~esm1UNKNOWN
ubuntu16.04noarchprivoxy< 3.0.24-1ubuntu0.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	privoxy	< 3.0.26-5ubuntu0.1	UNKNOWN
ubuntu	20.04	noarch	privoxy	< 3.0.28-2ubuntu0.1	UNKNOWN
ubuntu	20.10	noarch	privoxy	< 3.0.28-3ubuntu0.1	UNKNOWN
ubuntu	14.04	noarch	privoxy	< 3.0.21-7+deb8u1ubuntu0.1~esm1	UNKNOWN
ubuntu	16.04	noarch	privoxy	< 3.0.24-1ubuntu0.1	UNKNOWN