CVE-2023-42795

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

Description

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.51%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Tomcat
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread/065jfyo583490r9j2v73nhpyxdob56lw vendor advisory mailing list
http://www.openwall.com/lists/oss-security/2023/10/10/9 third party advisory mailing list
https://www.debian.org/security/2023/dsa-5522 third party advisory
https://www.debian.org/security/2023/dsa-5521 third party advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html third party advisory mailing list
https://security.netapp.com/advisory/ntap-20231103-0007/

Frequently Asked Questions

What is the severity of CVE-2023-42795?
CVE-2023-42795 has been scored as a medium severity vulnerability.
How to fix CVE-2023-42795?
To fix CVE-2023-42795, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-42795 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-42795 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-42795?
CVE-2023-42795 affects Apache Software Foundation Apache Tomcat.
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