medium
6.5
CWE
22 200
Advisory Published
Advisory Published
Updated

CVE-2023-35887: Path Traversal

First published: Mon Jul 10 2023(Updated: )

Apache MINA SSHD could allow a remote authenticated attacker to obtain sensitive information, caused by improper authorization validation by the RootedFilesystem. By sending a specially crafted request, an attacker could exploit this vulnerability to obtain information about items outside the rooted tree, and use this information to launch further attacks against the affected system.

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

Affected SoftwareAffected VersionHow to fix
Apache MINA>=1.0.0<2.10.0
Apache Sshd>=1.0.0<2.9.3
maven/org.apache.sshd:sshd-sftp>=1.0.0<2.9.3
2.9.3
maven/org.apache.sshd:sshd-common>=2.1.0<2.9.3
2.9.3
maven/org.apache.sshd:sshd-core>=1.0.0<2.1.0
2.1.0
redhat/apache-mina<2.10
2.10
IBM Cloud Pak for Business Automation<=V23.0.1 - V23.0.1-IF002
IBM Cloud Pak for Business Automation<=V21.0.3 - V21.0.3-IF024
IBM Cloud Pak for Business Automation<=V22.0.2 - V22.0.2-IF006 and later fixesV22.0.1 - V22.0.1-IF006 and later fixesV21.0.2 - V21.0.2-IF012 and later fixesV21.0.1 - V21.0.1-IF007 and later fixesV20.0.1 - V20.0.3 and later fixesV19.0.1 - V19.0.3 and later fixesV18.0.0 - V18.0.2 and later fixes

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-35887?

    CVE-2023-35887 is a vulnerability known as Exposure of Sensitive Information to an Unauthorized Actor in Apache MINA.

  • How does CVE-2023-35887 affect Apache MINA?

    CVE-2023-35887 affects Apache MINA by allowing logged users to discover "exists/does not exist" information about items outside the rooted file system in SFTP servers implemented using Apache MINA SSHD that use a RootedFileSystem.

  • What is the severity of CVE-2023-35887?

    CVE-2023-35887 has a medium severity rating.

  • What software is affected by CVE-2023-35887?

    Apache MINA versions 1.0.0 to 2.10.0, as well as specific versions of the packages org.apache.sshd:sshd-core, org.apache.sshd:sshd-common, and org.apache.sshd:sshd-sftp are affected by CVE-2023-35887.

  • How can I mitigate the CVE-2023-35887 vulnerability?

    To mitigate the CVE-2023-35887 vulnerability, it is recommended to upgrade to Apache MINA version 2.10.0 or later, and to upgrade the affected packages to their respective remedied versions.

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