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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.1418 Security update for Adobe Creative Cloud desktop 9 May 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Adobe Creative Cloud Desktop Application Publisher: Adobe Operating System: Windows Mac OS Impact/Access: Increased Privileges -- Existing Account Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-4992 CVE-2018-4991 CVE-2018-4873 Original Bulletin: https://helpx.adobe.com/security/products/creative-cloud/apsb18-12.html - --------------------------BEGIN INCLUDED TEXT-------------------- Security updates available for Creative Cloud Desktop Application | APSB18-12 +-----------------------------------------------------------------------------+ |Bulletin ID |Date Published |Priority | |-------------------------+--------------------------------+------------------| |APSB18-12 |May 8, 2018 |2 | +-----------------------------------------------------------------------------+ Summary Adobe has released a security update for the Creative Cloud Desktop Application for Windows and MacOS. This update resolves a vulnerability in the validation of certificates used by Creative Cloud desktop applications (CVE-2018-4991), and an improper input validation vulnerability (CVE-2018-4992) that could lead to privilege escalation. Affected versions +-----------------------------------------------------------------------------+ | Product | Affected version | Platform | |-------------------------------+----------------------------+----------------| |Creative Cloud Desktop |4.4.1.298 and earlier |Windows and | |Application |versions |MacOS | +-----------------------------------------------------------------------------+ To check the version of the Adobe Creative Cloud desktop app: 1. Launch the Creative Cloud desktop app and sign in with your Adobe ID. 2. Click the gear icon and choose Preferences > General. Solution Adobe categorizes this update with the following priority rating and recommends users update their installation to the newest version: +-----------------------------------------------------------------------------+ | Product |Updated version | Platform | Priority |Availability| | | | | rating | | |-----------------------+----------------+------------+----------+------------| |Creative Cloud Desktop |Creative |Windows and |2 |Download | |Application |Cloud 4.5.0.331 |MacOS | |Center | +-----------------------------------------------------------------------------+ Customers who have enabled auto-update will automatically receive the new version. The latest Creative Cloud Desktop App can also be downloaded from the Download Center. For more information, please reference this help Page. For managed environments, IT administrators can use the Creative Cloud Packager to create deployment packages. Refer to this help page for more information on the Creative Cloud Packager. Vulnerability Details +-----------------------------------------------------------------------------+ |Vulnerability Category |Vulnerability Impact|Severity |CVE Numbers | |--------------------------------+--------------------+---------+-------------| |Improper input validation |Privilege Escalation|Important|CVE-2018-4992| |--------------------------------+--------------------+---------+-------------| |Improper certificate validation |Security bypass |Critical |CVE-2018-4991| |--------------------------------+--------------------+---------+-------------| |Unquoted Search Path |Privilege Escalation|Important|CVE-2018-4873| +-----------------------------------------------------------------------------+ Note: CVE-2018-4873 was previously resolved in version 4.3.0.256 of the Creative Cloud Desktop application. Acknowledgments Adobe would like to thank the following individuals and organizations for reporting the relevant issues and for working with Adobe to help protect our customers: * Wei Wei (@Danny__Wei) of Tencent's Xuanwu Lab (CVE-2018-4992) * Ryan Hileman of Talon Voice & Chi Chou (CVE-2018-4991) * Cyril Vallicari / HTTPCS . Ziwit (CVE-2018-4873) - --------------------------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 iQIVAwUBWvKIyox+lLeg9Ub1AQhgBg//et0dpZB3EkG5vwlCqY/FgrnZDx4TcZ8L x4opmqO4Xefn5u8g4d0Jhojs56AF9rskohQpzTfb96e6zR1vjiVrw8Q8VdAFXdf7 VJRZMWoJyACjiuod4NCOR9g/grddypuMiGCmzU2tLbjezU+kdtnsFqRB+jPZpT8I ToDTLZj9tvwu8iOHEfqIHQMGuIv2Wfn2Cv68qtvhzTd+5hsrZU4fKow6tSs7GOXq 1PFv2hKM/wx9Q8Q3HORDYoDELqDqxOOE46BXB3E44C6IeWLalrrd8qr67azEJn50 1yEZrHT8ny6TwOcyjo218VDDKJGPorBVc8RIFZl4lF7QE7BABoB9xCl8yUvUtc/8 /uohyKFcJKhiZYAqELF4tVkHLZn7tR28UteIbOQQ9qSU3p6wFRkJyoV1DzQqhFq+ nkpP+qIe8JoAeMbELgHYCOyzWZK4N5dNoSpoAErQHsdrq3n1Tka3ks+ZVSQZMj+A fwyRifUqEfVHXUTksKMq/sLdwL+ueSUeiIEjvxd/qr2nWuZl2t5W0zvuBA+EcKsb EiC1K3aJwANGjALqROdv0Wh7b6DY/ST/TpigWW4g0yAKjWiPIeFVngff/bGISUqt 50lmCWfaut2ZJpiLae/SKNrvK3UkYfHG/BjI0LuSnlYVYMC1Bi8aT6xVpMnkCbqn N7mNhlVJqGA= =yxhe -----END PGP SIGNATURE-----