Privoxy prior 3.0.33 Template Name cgi_error_no_template cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Privoxy. This impacts the function cgi_error_no_template of the component Template Name Handler. This manipulation causes cross site scripting. This vulnerability is registered as CVE-2021-44543. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Privoxy. Affected by this vulnerability is the function cgi_error_no_template of the component Template Name Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The weakness was published 12/24/2021. It is possible to read the advisory at privoxy.org. This vulnerability is known as CVE-2021-44543 since 12/03/2021. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 3.0.33 eliminates this vulnerability. The upgrade is hosted for download at privoxy.org. Applying a patch is able to eliminate this problem. The bugfix is ready for download at privoxy.org. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Privoxy 3.0.33
Patch: privoxy.org

Timelineinfo

12/03/2021 🔍
12/24/2021 +21 days 🔍
12/24/2021 +0 days 🔍
12/27/2021 +3 days 🔍

Sourcesinfo

Advisory: privoxy.org
Status: Confirmed

CVE: CVE-2021-44543 (🔍)
GCVE (CVE): GCVE-0-2021-44543
GCVE (VulDB): GCVE-100-189055

Entryinfo

Created: 12/24/2021 08:27
Updated: 12/27/2021 08:59
Changes: 12/24/2021 08:27 (40), 12/27/2021 08:59 (1)
Complete: 🔍
Cache ID: 216::103

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