Privoxy up to 3.0.28 CGI show-status memory leak

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

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Privoxy up to 3.0.28. The affected element is an unknown function of the file show-status of the component CGI Handler. The manipulation leads to memory leak. This vulnerability is documented as CVE-2021-20209. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Privoxy up to 3.0.28. It has been rated as problematic. This issue affects an unknown functionality of the file show-status of the component CGI Handler. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability.

The weakness was released 05/26/2021. The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2021-20209. Technical details are known, but no exploit is available.

Upgrading to version 3.0.29 eliminates this vulnerability. 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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 3.0.29
Patch: privoxy.org

Timelineinfo

12/17/2020 🔍
05/26/2021 +159 days 🔍
05/26/2021 +0 days 🔍
05/29/2021 +3 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2021-20209 (🔍)
GCVE (CVE): GCVE-0-2021-20209
GCVE (VulDB): GCVE-100-175841

Entryinfo

Created: 05/26/2021 10:20
Updated: 05/29/2021 14:11
Changes: 05/26/2021 10:20 (39), 05/29/2021 14:11 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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