medium
5.3
CWE
459
Advisory Published
Advisory Published
Updated

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

First published: Tue Oct 10 2023(Updated: )

Apache Tomcat could allow a remote attacker to obtain sensitive information, caused by an incomplete Cleanup vulnerability when recycling various internal objects. By skipping some parts of the recycling process, an attacker could exploit this vulnerability to obtain sensitive information leaking from the current request/response to the next.

Credit: security@apache.org security@apache.org security@apache.org

Affected SoftwareAffected VersionHow to fix
Apache Tomcat>=8.5.0<8.5.94
Apache Tomcat>=9.0.1<9.0.81
Apache Tomcat>=10.1.1<10.1.14
Apache Tomcat=9.0.0-milestone1
Apache Tomcat=9.0.0-milestone10
Apache Tomcat=9.0.0-milestone11
Apache Tomcat=9.0.0-milestone12
Apache Tomcat=9.0.0-milestone13
Apache Tomcat=9.0.0-milestone14
Apache Tomcat=9.0.0-milestone15
Apache Tomcat=9.0.0-milestone16
Apache Tomcat=9.0.0-milestone17
Apache Tomcat=9.0.0-milestone18
Apache Tomcat=9.0.0-milestone19
Apache Tomcat=9.0.0-milestone2
Apache Tomcat=9.0.0-milestone20
Apache Tomcat=9.0.0-milestone21
Apache Tomcat=9.0.0-milestone22
Apache Tomcat=9.0.0-milestone23
Apache Tomcat=9.0.0-milestone24
Apache Tomcat=9.0.0-milestone25
Apache Tomcat=9.0.0-milestone26
Apache Tomcat=9.0.0-milestone27
Apache Tomcat=9.0.0-milestone3
Apache Tomcat=9.0.0-milestone4
Apache Tomcat=9.0.0-milestone5
Apache Tomcat=9.0.0-milestone6
Apache Tomcat=9.0.0-milestone7
Apache Tomcat=9.0.0-milestone8
Apache Tomcat=9.0.0-milestone9
Apache Tomcat=10.1.0-milestone1
Apache Tomcat=10.1.0-milestone10
Apache Tomcat=10.1.0-milestone11
Apache Tomcat=10.1.0-milestone12
Apache Tomcat=10.1.0-milestone13
Apache Tomcat=10.1.0-milestone14
Apache Tomcat=10.1.0-milestone15
Apache Tomcat=10.1.0-milestone16
Apache Tomcat=10.1.0-milestone17
Apache Tomcat=10.1.0-milestone18
Apache Tomcat=10.1.0-milestone19
Apache Tomcat=10.1.0-milestone2
Apache Tomcat=10.1.0-milestone20
Apache Tomcat=10.1.0-milestone3
Apache Tomcat=10.1.0-milestone4
Apache Tomcat=10.1.0-milestone5
Apache Tomcat=10.1.0-milestone6
Apache Tomcat=10.1.0-milestone7
Apache Tomcat=10.1.0-milestone8
Apache Tomcat=10.1.0-milestone9
Apache Tomcat=11.0.0-milestone1
Apache Tomcat=11.0.0-milestone10
Apache Tomcat=11.0.0-milestone11
Apache Tomcat=11.0.0-milestone2
Apache Tomcat=11.0.0-milestone3
Apache Tomcat=11.0.0-milestone4
Apache Tomcat=11.0.0-milestone5
Apache Tomcat=11.0.0-milestone6
Apache Tomcat=11.0.0-milestone7
Apache Tomcat=11.0.0-milestone8
Apache Tomcat=11.0.0-milestone9
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Debian Debian Linux=12.0
debian/tomcat10
10.1.6-1+deb12u1
10.1.16-1
debian/tomcat9<=9.0.31-1~deb10u6<=9.0.43-2~deb11u6
9.0.31-1~deb10u10
9.0.43-2~deb11u9
9.0.70-2
maven/org.apache.tomcat.embed:tomcat-embed-core>=8.5.0<8.5.94
8.5.94
maven/org.apache.tomcat.embed:tomcat-embed-core>=9.0.0-M1<9.0.81
9.0.81
maven/org.apache.tomcat.embed:tomcat-embed-core>=10.1.0-M1<10.1.14
10.1.14
maven/org.apache.tomcat.embed:tomcat-embed-core>=11.0.0-M1<11.0.0-M12
11.0.0-M12
maven/org.apache.tomcat:tomcat>=8.5.0<8.5.94
8.5.94
maven/org.apache.tomcat:tomcat>=9.0.0-M1<9.0.81
9.0.81
maven/org.apache.tomcat:tomcat>=10.1.0-M1<10.1.14
10.1.14
maven/org.apache.tomcat:tomcat>=11.0.0-M1<11.0.0-M12
11.0.0-M12
redhat/tomcat<11.0.0
11.0.0
redhat/tomcat<10.1.14
10.1.14
redhat/tomcat<9.0.81
9.0.81
redhat/tomcat<8.5.94
8.5.94
IBM IBM® Engineering Requirements Management DOORS<=9.7.2.7
IBM IBM® Engineering Requirements Management DOORS Web Access<=9.7.2.7

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-42795?

    CVE-2023-42795 is an incomplete cleanup vulnerability in Apache Tomcat that could lead to sensitive data leakage to subsequent requests.

  • Which versions of Apache Tomcat are affected by CVE-2023-42795?

    Apache Tomcat versions 11.0.0-M1 through 11.0.0-M11, 10.1.0-M1 through 10.1.13, 9.0.0-M1 through 9.0.80, and 8.5.0 through 8.5.93 are affected by CVE-2023-42795.

  • How can I fix CVE-2023-42795?

    To fix CVE-2023-42795, you should update Apache Tomcat to version 8.5.94, 9.0.81, 10.1.14, or 11.0.0-M12.

  • What is the severity of CVE-2023-42795?

    The severity of CVE-2023-42795 is not provided.

  • Where can I find more information about CVE-2023-42795?

    You can find more information about CVE-2023-42795 in the following references: [1] [2] [3].

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