Apache Tomcat: Failure during request clean-up leads to sensitive data leaking to subsequent requests
CVE-2023-42795

5.3MEDIUM

Key Information:

Vendor

Apache
Status
Apache Tomcat
Vendor
CVE Published:
10 October 2023

What is CVE-2023-42795?

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. Older, EOL versions may also be affected.

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.

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Deploy the Patch

Affected Version(s)

Apache Tomcat 11.0.0-M1 <= 11.0.0-M11

Apache Tomcat 10.1.0-M1 <= 10.1.13

Apache Tomcat 9.0.0-M1 <= 9.0.80

References

https://lists.apache.org/thread/065jfyo583490r9j2v73nhpyx...
vendor-advisory

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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