Apache Shiro, before 1.12.0 or 2.0.0-alpha-3, may be susceptible to a path traversal attack that results in an authentication bypass when used together with APIs or other web frameworks that route requests based on non-normalized requests. Mitigation: Update to Apache Shiro 1.12.0+ or 2.0.0-alpha-3+

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Apache Shiro, before 1.12.0 or 2.0.0-alpha-3, may be susceptible to a path traversal attack that results     in an authentication bypass when used together with APIs or other web frameworks that route requests based     on non-normalized requests. Mitigation: Update to Apache Shiro 1.12.0+ or 2.0.0-alpha-3+ (CVE-2023-34478)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Apache Shiro, before 1.12.0 or 2.0.0-alpha-3, may be susceptible to a path traversal attack that results
    in an authentication bypass when used together with APIs or other web frameworks that route requests based
    on non-normalized requests. Mitigation: Update to Apache Shiro 1.12.0+ or 2.0.0-alpha-3+ (CVE-2023-34478)

The remote Ubuntu 16.04 LTS / 24.04 LTS / 24.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7147-1 advisory.

    It was discovered that Apache Shiro incorrectly handled path traversal when used with other web frameworks     or path rewriting. An attacker could possibly use this issue to obtain sensitive information or     administrative privileges. This update provides the corresponding fix for Ubuntu 24.04 LTS and Ubuntu     24.10. (CVE-2023-34478, CVE-2023-46749)

    It was discovered that Apache Shiro incorrectly handled web redirects when used together with the form     authentication method. An attacker could possibly use this issue to perform phishing attacks. This update     provides the corresponding fix for Ubuntu 24.04 LTS and Ubuntu 24.10. (CVE-2023-46750)

    It was discovered that Apache Shiro incorrectly handled requests through servlet filtering. An attacker     could possibly use this issue to obtain administrative privileges. This update provides the corresponding     fix for Ubuntu 16.04 LTS. (CVE-2016-6802)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
253146	Linux Distros Unpatched Vulnerability : CVE-2023-34478	Nessus	Misc.	critical
417602	SCA: security update for org.apache.shiro:shiro-web (GHSA-pmhc-2g4f-85cg)	Tenable Cloud Security	SCA Checks	critical
417602	SCA: security update for org.apache.shiro:shiro-web (GHSA-pmhc-2g4f-85cg)	Tenable Self-Hosted Container Security	SCA Checks	critical
212265	Ubuntu 16.04 LTS / 24.04 LTS / 24.10 : Apache Shiro vulnerabilities (USN-7147-1)	Nessus	Ubuntu Local Security Checks	critical

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CVE-2023-34478

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