Apache Tomcat up to 8.5.71/9.0.53/10.0.11/10.1.0-M5 HTTP Upgrade OutOfMemoryError release of resource

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Apache Tomcat up to 8.5.71/9.0.53/10.0.11/10.1.0-M5. This impacts the function OutOfMemoryError of the component HTTP Upgrade Handler. This manipulation causes release of resource. This vulnerability is registered as CVE-2021-42340. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Apache Tomcat up to 8.5.71/9.0.53/10.0.11/10.1.0-M5 (Application Server Software). It has been declared as problematic. Affected by this vulnerability is the function OutOfMemoryError of the component HTTP Upgrade Handler. The manipulation with an unknown input leads to a release of resource vulnerability. The CWE definition for the vulnerability is CWE-772. The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed. As an impact it is known to affect availability.

The weakness was published 10/15/2021. It is possible to read the advisory at lists.apache.org. This vulnerability is known as CVE-2021-42340 since 10/13/2021. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Applying a patch is able to eliminate this problem.

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

Productinfo

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Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Release of resource
CWE: CWE-772 / CWE-400 / 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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/13/2021 🔍
10/15/2021 +2 days 🔍
10/15/2021 +0 days 🔍
10/20/2021 +5 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Confirmed

CVE: CVE-2021-42340 (🔍)
GCVE (CVE): GCVE-0-2021-42340
GCVE (VulDB): GCVE-100-184435

Entryinfo

Created: 10/15/2021 06:37
Updated: 10/20/2021 16:31
Changes: 10/15/2021 06:37 (40), 10/20/2021 16:31 (1)
Complete: 🔍
Cache ID: 216::103

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