05 September 2017
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2208 Liblouis vulnerabilities 5 September 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Liblouis Publisher: Ubuntu Operating System: Ubuntu Linux variants Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote with User Interaction Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-13744 CVE-2017-13742 CVE-2017-13740 CVE-2017-13739 CVE-2017-13738 Original Bulletin: http://www.ubuntu.com/usn/usn-3408-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running Liblouis check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3408-1 September 04, 2017 liblouis vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 17.04 - - Ubuntu 16.04 LTS - - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Liblouis. Software Description: - - liblouis: Braille translation library - utilities Details: It was discovered that an illegal address access can be made in Liblouis. A remote attacker can take advantange of this to access sensitive information. (CVE-2017-13738, CVE-2017-13744) It was discovered a heap-based buffer overflow that causes bytes out-of-bounds write in Liblouis. A remote attacker can use this to denial of service or remote code execution. (CVE-2017-13739) It was discovered a stack-based buffer overflow in Liblouis. A remote attacker can use this to denial of service or possibly unspecified other impact. (CVE-2017-13740, CVE-2017-13742) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 17.04: Â liblouis-bin 3.0.0-3ubuntu0.2 Â liblouis12Â 3.0.0-3ubuntu0.2 Â python-louisÂ 3.0.0-3ubuntu0.2 Â python3-louisÂ 3.0.0-3ubuntu0.2 Ubuntu 16.04 LTS: Â liblouis-binÂ 2.6.4-2ubuntu0.1 Â liblouis9Â 2.6.4-2ubuntu0.1 Â python-louisÂ 2.6.4-2ubuntu0.1 Â python3-louisÂ 2.6.4-2ubuntu0.1 Ubuntu 14.04 LTS: Â liblouis-binÂ 2.5.3-2ubuntu1.1 Â liblouis2Â 2.5.3-2ubuntu1.1 Â python-louisÂ 2.5.3-2ubuntu1.1 Â python3-louisÂ 2.5.3-2ubuntu1.1 In general, a standard system update will make all the necessary changes. References: Â https://www.ubuntu.com/usn/usn-3408-1 Â CVE-2017-13738, CVE-2017-13739, CVE-2017-13740, CVE-2017-13742, Â CVE-2017-13744 Package Information: Â https://launchpad.net/ubuntu/+source/liblouis/3.0.0-3ubuntu0.2 Â https://launchpad.net/ubuntu/+source/liblouis/2.6.4-2ubuntu0.1 Â https://launchpad.net/ubuntu/+source/liblouis/2.5.3-2ubuntu1.1 - --------------------------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 firstname.lastname@example.org 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. 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