Skip to main content

Privoxy CVE-2021-20272

HIGH
Reachable Assertion (CWE-617)
2021-03-09 secalert@redhat.com
Denial Of Service Privoxy Debian Linux
7.5
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Mar 09, 2021 - 14:15 nvd
HIGH 7.5

DescriptionNVD

A flaw was found in privoxy before 3.0.32. An assertion failure could be triggered with a crafted CGI request leading to server crash.

AnalysisAI

A flaw was found in privoxy before 3.0.32. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-617. A flaw was found in privoxy before 3.0.32. An assertion failure could be triggered with a crafted CGI request leading to server crash. Affected products include: Privoxy, Debian Debian Linux. Version information: before 3.0.32..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

More in Privoxy

View all
CVE-2013-2503 MEDIUM POC
5.8 Mar 11

Privoxy before 3.0.21 does not properly handle Proxy-Authenticate and Proxy-Authorization headers in the client-server d
CVE-2016-1982 HIGH
7.5 Jan 27

The remove_chunked_transfer_coding function in filters.c in Privoxy before 3.0.24 allows remote attackers to cause a den
CVE-2016-1983 HIGH
7.5 Jan 27

The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (inv
CVE-2015-1031 HIGH
7.5 Feb 10

Multiple use-after-free vulnerabilities in Privoxy before 3.0.22 allow remote attackers to have unspecified impact via v
CVE-2021-44542 HIGH
7.5 Dec 23

A memory leak vulnerability was found in Privoxy when handling errors. Rated high severity (CVSS 7.5), this vulnerabilit
CVE-2021-44541 HIGH
7.5 Dec 23

A vulnerability was found in Privoxy which was fixed in process_encrypted_request_headers() by freeing header memory whe
CVE-2021-44540 HIGH
7.5 Dec 23

A vulnerability was found in Privoxy which was fixed in get_url_spec_param() by freeing memory of compiled pattern spec

CVE-2021-20209 HIGH
7.5 May 25

A memory leak vulnerability was found in Privoxy before 3.0.29 in the show-status CGI handler when no action files are c
CVE-2021-20217 HIGH
7.5 Mar 25

A flaw was found in Privoxy in versions before 3.0.31. Rated high severity (CVSS 7.5), this vulnerability is remotely ex
CVE-2021-20216 HIGH
7.5 Mar 25

A flaw was found in Privoxy in versions before 3.0.31. Rated high severity (CVSS 7.5), this vulnerability is remotely ex
CVE-2021-20215 HIGH
7.5 Mar 25

A flaw was found in Privoxy in versions before 3.0.29. Rated high severity (CVSS 7.5), this vulnerability is remotely ex
CVE-2021-20214 HIGH
7.5 Mar 25

A flaw was found in Privoxy in versions before 3.0.29. Rated high severity (CVSS 7.5), this vulnerability is remotely ex

Same weakness CWE-617 – Reachable Assertion

View all
CVE-2016-8864 HIGH
7.5
CVE-2020-12417 HIGH POC
8.8
CVE-2020-6623 HIGH POC
8.8
CVE-2020-6619 HIGH POC
8.8
CVE-2020-6617 HIGH POC
8.8
CVE-2023-37023 HIGH POC
8.6
CVE-2023-37021 HIGH POC
8.6
CVE-2023-37020 HIGH POC
8.6

Same technique Denial Of Service

View all
CVE-2015-5119 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2012-0507 CRITICAL POC
9.8
CVE-2014-1761 HIGH POC
7.8
CVE-2015-5122 CRITICAL POC
9.8
CVE-2011-0609 HIGH POC
7.8

Share

CVE-2021-20272 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy