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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.3856.2 FreeRDP vulnerabilities 29 May 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: freerdp freerdp2 Publisher: Ubuntu Operating System: Ubuntu Linux variants Windows Mac OS Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-8789 CVE-2018-8788 CVE-2018-8787 CVE-2018-8786 CVE-2018-8785 CVE-2018-8784 Original Bulletin: http://www.ubuntu.com/usn/usn-3845-1 https://usn.ubuntu.com/3845-2/ Comment: This bulletin contains two (2) Ubuntu security advisories. This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running freerdp or freerdp2 check for an updated version of the software for their operating system. Revision History: May 29 2019: Added USN-3845-2 December 13 2018: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3845-1 December 12, 2018 freerdp, freerdp2 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 18.10 - - Ubuntu 18.04 LTS - - Ubuntu 16.04 LTS - - Ubuntu 14.04 LTS Summary: Several security issues were fixed in FreeRDP. Software Description: - - freerdp2: RDP client for Windows Terminal Services - - freerdp: RDP client for Windows Terminal Services Details: Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8784, CVE-2018-8785) Eyal Itkin discovered FreeRDP incorrectly handled bitmaps. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2018-8786, CVE-2018-8787) Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8788) Eyal Itkin discovered FreeRDP incorrectly handled NTLM authentication. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8789) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: libfreerdp-client2-2 2.0.0~git20180411.1.7a7b1802+dfsg1-2ubuntu0.1 libfreerdp2-2 2.0.0~git20180411.1.7a7b1802+dfsg1-2ubuntu0.1 Ubuntu 18.04 LTS: libfreerdp-client2-2 2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1 libfreerdp2-2 2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1 Ubuntu 16.04 LTS: libfreerdp-client1.1 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.3 Ubuntu 14.04 LTS: libfreerdp1 1.0.2-2ubuntu1.2 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3845-1 CVE-2018-8784, CVE-2018-8785, CVE-2018-8786, CVE-2018-8787, CVE-2018-8788, CVE-2018-8789 Package Information: https://launchpad.net/ubuntu/+source/freerdp2/2.0.0~git20180411.1.7a7b1802+dfsg1-2ubuntu0.1 https://launchpad.net/ubuntu/+source/freerdp2/2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1 https://launchpad.net/ubuntu/+source/freerdp/1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.3 https://launchpad.net/ubuntu/+source/freerdp/1.0.2-2ubuntu1.2 - --------------------------------------------------------------------------------- USN-3845-2: FreeRDP vulnerabilities 28 May 2019 freerdp vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 18.10 o Ubuntu 18.04 LTS Summary Several security issues were fixed in FreeRDP. Software Description o freerdp - RDP client for Windows Terminal Services Details USN-3845-1 fixed several vulnerabilities in FreeRDP. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 18.10. Original advisory details: Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8784, CVE-2018-8785) Eyal Itkin discovered FreeRDP incorrectly handled bitmaps. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2018-8786, CVE-2018-8787) Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8788) Eyal Itkin discovered FreeRDP incorrectly handled NTLM authentication. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8789) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10 libfreerdp-client1.1 - 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.10.1 Ubuntu 18.04 LTS libfreerdp-client1.1 - 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.1 To update your system, please follow these instructions: https:// wiki.ubuntu.com/Security/Upgrades . In general, a standard system update will make all the necessary changes. References o USN-3845-1 o CVE-2018-8786 o CVE-2018-8787 o CVE-2018-8788 o CVE-2018-8789 - --------------------------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. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXO3BoWaOgq3Tt24GAQjf0Q//RHRByqw2Z7Ey+pOYKALhUEUP3lOS4O2g VnKKcVJpxXvwypnzS/9pV9MUYUBNA0FYlot8ac407fRvGILW2IVjnAKGylkrSD/t Q7M+AaF4noNpmAZ1uWDeZebLMz2G9Qw25ouJpxArloshQAy28KwoJBIHEttJ35/a jMySWwK7VSGiddfYWPBfT35nIAvXv8/32fTx5q6T+LlTsE4fA11lr0P2umaB9suK hjac1KHeqczNoN+64FHiv99BOsh3SpTEGpXYuGJCOYjgYKYgPEJHQLumtfkBwwrp OlAxy3ESDh0IkOfHUoCqcG3qbX3NzExFxtKPa0RDWyf6+77jEMngNMY0l4Yt8SFa V70jtd+UVUG3pwRQrNdmAMhOJS+MOcQVeOISk2NnpPkOQa3uqraUQe2wAqnZnMpQ VONC0DGdFX8tA/ib2c+EGZC4w0YfZMlYv8dFeO5g3aH55yi6M/BGkRSwb+YZvXfb oK1t4mXlaG6ojwd2d0q4StSqiUhuceN4lY1NcEjKBoa7uTTEImQjpgebCnbRNis1 hWPHklteJBtCXNNPOOJ8m68hBcx86yiZfWRzycJqzsFU+MiKKLOAIqLZzUE2k2c4 A1ufD3uEN+dtj0QeWp5mC7gE+fAsX64HQrgaK33uNAGQYwVhFDoGUWgkXpzgXCfo ryXn9b7CAmg= =yqfe -----END PGP SIGNATURE-----