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osvGoogleOSV:BIT-TOMCAT-2021-42340
HistoryMar 06, 2024 - 11:09 a.m.

BIT-tomcat-2021-42340

2024-03-0611:09:50
Google
osv.dev
20
apache tomcat
bug 63362
memory leak
http upgrade
websocket
denial of service

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

6.5

Confidence

High

EPSS

0.027

Percentile

90.6%

JSON

The fix for bug 63362 present in Apache Tomcat 10.1.0-M1 to 10.1.0-M5, 10.0.0-M1 to 10.0.11, 9.0.40 to 9.0.53 and 8.5.60 to 8.5.71 introduced a memory leak. The object introduced to collect metrics for HTTP upgrade connections was not released for WebSocket connections once the connection was closed. This created a memory leak that, over time, could lead to a denial of service via an OutOfMemoryError.

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nessus
nessus
Atlassian Jira < 8.13.18 / 8.14.0 < 8.20.6 / 8.21.0 (JRASERVER-73070)
2022-07-06 00:00:00
Apache Tomcat 10.1.0.M1 < 10.1.0.M6
2021-10-14 00:00:00
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veracode
Denial Of Service (DoS)
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osv
osv
Missing Release of Resource after Effective Lifetime in Apache Tomcat
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CVE-2021-42340
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tomcat9 - security update
2021-11-12 00:00:00
ibm
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Security Bulletin: Vulnerability in Apache Tomcat (CVE-2021-42340) affects HMC
2021-11-22 05:58:05
Security Bulletin: CVE-2021-42340 Apache Tomcat is vulnerable to a denial of service, caused by a memory leak flaw in WebSocket connections.
2022-01-14 21:33:57
Security Bulletin: IBM Rational Build Forge is affected by Apache Tomcat version used in it. (CVE-2021-42340)
2022-07-05 11:26:40
cisa
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Apache Releases Security Advisory for Tomcat  
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github
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Denial of service via an OutOfMemoryError (Tomcat CVE-2021-42340)
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CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

6.5

Confidence

High

EPSS

0.027

Percentile

90.6%

JSON
Related for OSV:BIT-TOMCAT-2021-42340
nessus18veracode1osv3ibm11cisa1debian1prion1kaspersky2cnvd1tomcat4github1debiancve1atlassian5nvd1openvas4f51ubuntucve1cvelist1redhatcve1amazon1cve1photon4redos1mageia1redhat4gentoo1rosalinux1oracle3