Privoxy up to 3.0.28 PCRE memory leak

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Privoxy up to 3.0.28 and classified as problematic. Affected is an unknown function of the component PCRE Handler. Executing a manipulation can lead to memory leak. This vulnerability is tracked as CVE-2021-20212. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Privoxy up to 3.0.28 and classified as problematic. This vulnerability affects an unknown code of the component PCRE Handler. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability.

The weakness was disclosed 03/26/2021. The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2021-20212. The technical details are unknown and an exploit is not available.

Upgrading to version 3.0.29 eliminates this vulnerability. The upgrade is hosted for download at privoxy.org.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
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 3.0.29

Timelineinfo

12/17/2020 🔍
03/26/2021 +99 days 🔍
03/26/2021 +0 days 🔍
04/05/2021 +10 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2021-20212 (🔍)
GCVE (CVE): GCVE-0-2021-20212
GCVE (VulDB): GCVE-100-171742

Entryinfo

Created: 03/26/2021 07:15
Updated: 04/05/2021 07:50
Changes: 03/26/2021 07:15 (38), 04/05/2021 07:44 (5), 04/05/2021 07:50 (18)
Complete: 🔍
Cache ID: 216::103

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