CVE-2021-20274 : A flaw was found in privoxy before 3.0.32. A crash may occur due a NULL-pointer

A flaw was found in privoxy before 3.0.32. A crash may occur due a NULL-pointer dereference when the socks server misbehaves.

Published 2021-03-09 14:15:13

Updated 2021-12-14 19:58:24

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2021-20274

Privoxy » Privoxy
Versions before (<) 3.0.32
cpe:2.3:a:privoxy:privoxy:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.18%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 55 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: secalert@redhat.com (Primary)

https://www.privoxy.org/announce.txt

Release Notes;Vendor Advisory

CVEs referencing this url
https://bugzilla.redhat.com/show_bug.cgi?id=1936662

1936662 – (CVE-2021-20274) CVE-2021-20274 privoxy: NULL-pointer dereference when the socks server misbehaves
Issue Tracking;Patch;Third Party Advisory
https://security.gentoo.org/glsa/202107-16

Privoxy: Multiple vulnerabilities (GLSA 202107-16) — Gentoo security
Third Party Advisory

CVEs referencing this url

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