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CVE-2023-42795

Good to know:

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Date: October 10, 2023

Incomplete Cleanup vulnerability in Apache Tomcat.When recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next. Users are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.

Language: Java

Severity Score

Related Resources (15)

https://security-tracker.debian.org/tracker/CVE-2023-42795
http://www.openwall.com/lists/oss-security/2023/10/10/9
https://security.netapp.com/advisory/ntap-20231103-0007/
https://www.debian.org/security/2023/dsa-5522
https://lists.apache.org/thread/065jfyo583490r9j2v73nhpyxdob56lw
https://www.debian.org/security/2023/dsa-5521
https://github.com/apache/tomcat
https://github.com/apache/tomcat/commit/44d05d75d696ca10ce251e4e370511e38f20ae75
https://security.netapp.com/advisory/ntap-20231103-0007
https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html
https://github.com/apache/tomcat/commit/d6db22e411307c97ddf78315c15d5889356eca38
https://github.com/apache/tomcat/commit/9375d67106f8df9eb9d7b360b2bef052fe67d3d4
https://nvd.nist.gov/vuln/detail/CVE-2023-42795
https://github.com/apache/tomcat/commit/30f8063d7a9b4c43ae4722f5e382a76af1d7a6bf
https://www.mend.io/vulnerability-database/CVE-2023-42795

Severity Score

Weakness Type (CWE)

Incomplete Cleanup

CWE-459

Top Fix

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Upgrade Version

Upgrade to version org.apache.tomcat.embed:tomcat-embed-core:8.5.94;org.apache.tomcat.embed:tomcat-embed-core:11.0.0-M12;org.apache.tomcat.embed:tomcat-embed-core:10.1.14;org.apache.tomcat.embed:tomcat-embed-core:9.0.81;org.apache.tomcat:tomcat-coyote:10.1.14;org.apache.tomcat:tomcat-coyote:11.0.0-M12;org.apache.tomcat:tomcat:9.0.81;org.apache.tomcat:tomcat:8.5.94

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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