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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2492.3 USN-4049-1 and USN-4049-2: GLib vulnerability 7 August 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: glib Publisher: Ubuntu Operating System: Ubuntu Linux variants Impact/Access: Modify Arbitrary Files -- Remote/Unauthenticated Create Arbitrary Files -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-13012 Original Bulletin: https://usn.ubuntu.com/4049-1/ https://usn.ubuntu.com/4049-4/ https://usn.ubuntu.com/4049-2/ https://usn.ubuntu.com/4049-3/ Comment: This bulletin contains four (4) Ubuntu security advisories. This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running glib check for an updated version of the software for their operating system. Revision History: August 7 2019: Added 4049-4 August 6 2019: Added -3 which fixes a memory leak in 16.04 LTS. July 9 2019: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4049-1: GLib vulnerability 8 July 2019 glib2.0 vulnerability A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 18.10 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Summary GLib did not properly restrict directory and file permissions. Software Description o glib2.0 - GLib Input, Output and Streaming Library (fam module) Details It was discovered that GLib created directories and files without properly restricting permissions. An attacker could possibly use this issue to access sensitive information. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10 libglib2.0-0 - 2.58.1-2ubuntu0.2 libglib2.0-bin - 2.58.1-2ubuntu0.2 Ubuntu 18.04 LTS libglib2.0-0 - 2.56.4-0ubuntu0.18.04.4 libglib2.0-bin - 2.56.4-0ubuntu0.18.04.4 Ubuntu 16.04 LTS libglib2.0-0 - 2.48.2-0ubuntu4.3 libglib2.0-bin - 2.48.2-0ubuntu4.3 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 CVE-2019-13012 - --- USN-4049-2: GLib vulnerability 8 July 2019 glib2.0 vulnerability A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 14.04 ESM o Ubuntu 12.04 ESM Summary GLib did not properly restrict directory and file permissions. Software Description o glib2.0 - GLib Input, Output and Streaming Library (fam module) Details USN-4049-1 fixed a vulnerability in GLib. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that GLib created directories and files without properly restricting permissions. An attacker could possibly use this issue to access sensitive information. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM libglib2.0-0 - 2.40.2-0ubuntu1.1+esm2 libglib2.0-bin - 2.40.2-0ubuntu1.1+esm2 Ubuntu 12.04 ESM libglib2.0-0 - 2.32.4-0ubuntu1.3 libglib2.0-bin - 2.32.4-0ubuntu1.3 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-4049-1 o CVE-2019-13012 - -------------------------------------------------------------------------------- USN-4049-3: GLib regression 5 August 2019 A security issue affects these releases of Ubuntu and its derivatives: * Ubuntu 16.04 LTS Summary USN-4049-1 introduced a regression in GLib. Software Description * glib2.0 - GLib Input, Output and Streaming Library (fam module) Details USN-4049-1 fixed a vulnerability in GLib. The update introduced a regression in Ubuntu 16.04 LTS causing a possibly memory leak. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that GLib created directories and files without properly restricting permissions. An attacker could possibly use this issue to access sensitive information. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS libglib2.0-0 - 2.48.2-0ubuntu4.4 libglib2.0-bin - 2.48.2-0ubuntu4.4 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 * USN-4049-1 * LP: 1838890 - ------------------------------------------------------------------------------ USN-4049-4: GLib regression 6 August 2019 glib2.0 regression A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 14.04 ESM o Ubuntu 12.04 ESM Summary USN-4049-1 introduced a regression in GLib. Software Description o glib2.0 - GLib Input, Output and Streaming Library (fam module) Details USN-4049-1 fixed a vulnerability in GLib. The update introduced a regression. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that GLib created directories and files without properly restricting permissions. An attacker could possibly use this issue to access sensitive information. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM libglib2.0-0 - 2.40.2-0ubuntu1.1+esm3 libglib2.0-bin - 2.40.2-0ubuntu1.1+esm3 Ubuntu 12.04 ESM libglib2.0-0 - 2.32.4-0ubuntu1.4 libglib2.0-bin - 2.32.4-0ubuntu1.4 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-4049-1 o LP: 1838890 - --------------------------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 iQIVAwUBXUpb32aOgq3Tt24GAQjO8w/+OBWFKe4taPqjWWLbRkHQfhsgoD41QAJW pKqTKPxQqM6A7kyRi02afbj+VCrmoGzz4W2W56F1eH7wvW7awNHjHYCO1A8AHEAs kSknXMf9GHvpBk37dNGY/9sbM1mWprMgR1y6sVJ50X84zOH2B4s20LW0zTUXafCF 52alt+HAwyq6SvBeSd1bGrRVwcpw1XXhsUVlkL2yDSuWD93W7YKKZz2ZkpK9gaiJ F3DXx6tqt/qtyUIPuaaTNe9q+fBx3uxKKetUDQE780fHKCe6aM4M1rmRCFMtgh+d yZIdd1UrbQacpdRZqgjBGE2ROvHGGBe7wUXxlzQRUTOxay1YyzNb1Eia48sNoHN4 7dnQJQyOn2a3J1hd9YJCfBVryTUoc9Y/LaWj0lnimqdWmR5sJCBm+ga0FfGvvMqg nLWu5uZaP/QjjQg36QKENOPf6h3X0nm2u65eyEAO/YHoYsc0P9mKAf344eDe7+b9 32Hcgjl3E3FjZ4yVNJyJcYygNkBGlNBlr0d/MbEFEjc9nnO73FntrB2zeBSjJijk Dw6yqj2khUlFf4oc2PnphAyW7b7UbCKaCo435PVZoeFTzFzDv9DNPQxXpyRYOQXm 5QtLtjmDKWWJH7ffOnkfBdIqjGZkw+myLcbkAil4WsWN35vzz1zKpPDnIy0+NJYd ovKSo8JVaok= =HrH1 -----END PGP SIGNATURE-----