ZeroMQ up to 4.3.2 Topic Subscription stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in ZeroMQ up to 4.3.2. The impacted element is an unknown function of the component Topic Subscription Handler. The manipulation leads to stack-based overflow. This vulnerability is documented as CVE-2021-20236. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ZeroMQ up to 4.3.2. This issue affects an unknown functionality of the component Topic Subscription Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

The weakness was released 05/28/2021. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2021-20236. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 4.3.3 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Stack-based overflow
CWE: CWE-121 / CWE-119
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: ZeroMQ 4.3.3

Timelineinfo

12/17/2020 🔍
05/28/2021 +161 days 🔍
05/28/2021 +0 days 🔍
06/03/2021 +6 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-20236 (🔍)
GCVE (CVE): GCVE-0-2021-20236
GCVE (VulDB): GCVE-100-176051

Entryinfo

Created: 05/28/2021 21:54
Updated: 06/03/2021 09:40
Changes: 05/28/2021 21:54 (37), 06/03/2021 09:40 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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