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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.1384 USN-4925-1: Shibboleth vulnerability 23 April 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: shibboleth-sp Publisher: Ubuntu Operating System: Ubuntu UNIX variants (UNIX, Linux, OSX) Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-28963 Original Bulletin: https://ubuntu.com/security/notices/USN-4925-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running shibboleth-sp check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4925-1: Shibboleth vulnerability 22 April 2021 Shibboleth could be made to display malicious content. Releases o Ubuntu 20.04 LTS Packages o shibboleth-sp - Federated web single sign-on system Details Toni Huttunen and Fraktal Oy discovered that the Shibboleth Service provider allowed content injection due to allowing attacker-controlled parameters in error or other status pages. An attacker could use this to inject malicious content. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 o shibboleth-sp-common - 3.0.4+dfsg1-1ubuntu0.1 o libshibsp-plugins - 3.0.4+dfsg1-1ubuntu0.1 o libshibsp8 - 3.0.4+dfsg1-1ubuntu0.1 o libapache2-mod-shib - 3.0.4+dfsg1-1ubuntu0.1 o shibboleth-sp-utils - 3.0.4+dfsg1-1ubuntu0.1 In general, a standard system update will make all the necessary changes. References o CVE-2021-28963 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYIJBoONLKJtyKPYoAQjc8Q/+K+GmrrpS/MQeBvf7J4fD7L1emKozQPlI /F0GnDoSso4Kw6Tqxxckv7zF2G5as8MG3SIy8D05vMJ2hfCs+QtyT/LwiuzND1XP 4BT88EWcKAlkGkC3QEu9iiFwEAOSHd3I2jwV1QijbZiJN20sz1R9NrPRxcLqCOr6 dH79eENagcvja3omZpoEIetwPd7tfb2qYyZzcdVcZdJ5mRN2YXTNXrpbDKHj8LD2 RzB+hnOYyomsL8A0YYiFgIMDk4v+wjKjgJpsemvg9AJi3eC/ET3pIfwCkdsdCE83 6E//1+jn8gl7Zqb3mqR2KlD8gveNftJbRH1JK5abxN2PUy/gKaQ6oWsOPqZfFD+g v0wLCCScoqymQtr8H4MOfieSG0a2KfELNbcX6poDF/xtadD0xlauNA/o5KnN3g7k U3TPxzr+3IAbutwZBPR8zybvJ6FlJlcKCXYVMEGOeSZIO1d82/Oa/pxvH77/fNWA sG+iNyZfBHcYXTUN0JlGGjhbIwRTGV9KQlH13xEa+ikqBg6KAmwWx6sEJjL/+gab KyAjo0/2d1ODx2c9vk9a81ewTyg6zKZXgfNPHi4Ip9rONGnUqsa5OFaJ9zSYeel4 i5Wma7qJXvCqJBW5ZfN+dUsWvcafC/wtZFUkiJXgzgz9ltIjrQ0jfTR2e4JQoI+w H9gbK5Uw8rg= =l1Kz -----END PGP SIGNATURE-----