Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.

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 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted     request may cause an authentication bypass. (CVE-2020-11989)

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

Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.

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

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4740-1 advisory.

    It was discovered that Apache Shiro mishandled specially crafted requests. An attacker could use this     vulnerability to bypass authentication mechanisms.

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.

It was discovered that there was two issues in shiro, a security framework for Java application :

  - CVE-2020-1957: Fix a path-traversal issue where a     specially crafted request could cause an authentication     bypass.

  - CVE-2020-11989: Fix an encoding issue introduced in the     handling of the previous CVE-2020-1957 path-traversal     issue which itself could have also caused an     authentication bypass.

For Debian 9 'Stretch', these issues have been fixed in shiro version 1.3.2-1+deb9u1.

We recommend that you upgrade your shiro packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
256190	Linux Distros Unpatched Vulnerability : CVE-2020-11989	Nessus	Misc.	critical
161727	Apache Shiro < 1.5.3 Authentication Bypass	Nessus	Misc.	critical
147996	Ubuntu 18.04 LTS / 20.04 LTS : Apache Shiro vulnerabilities (USN-4740-1)	Nessus	Ubuntu Local Security Checks	critical
138224	Debian DLA-2273-1 : shiro security update	Nessus	Debian Local Security Checks	critical

Detections

Analytics

CVE-2020-11989

critical

Tenable Plugins

critical

critical

critical

critical