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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4215 USN-4179-1: FriBidi vulnerability 8 November 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: fribidi Publisher: Ubuntu Operating System: Ubuntu Linux variants Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-18397 Original Bulletin: https://usn.ubuntu.com/4179-1/ Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running fribidi check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4179-1: FriBidi vulnerability 7 November 2019 fribidi vulnerability A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.10 o Ubuntu 19.04 Summary Applications using FriBidi could be made to crash or run programs as your login if it displayed specially crafted text. Software Description o fribidi - Free Implementation of the Unicode BiDi algorithm (utility) Details Alex Murray discovered a stack-based buffer overflow when handling a large number of unicode isolate directives. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 libfribidi0 - 1.0.5-3.1ubuntu0.19.10.1 Ubuntu 19.04 libfribidi0 - 1.0.5-3.1ubuntu0.19.04.1 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 CVE-2019-18397 - --------------------------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. 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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 iQIVAwUBXcS4JGaOgq3Tt24GAQgfvg//WyAf+C7aA2gATRIRK3kNeALSYFe8Hkky HoIj/n1IN1sAtP0+M5IW69t6ggzTgJoqR2F3eC33sEvzGDC1vQr7Ggu6vtrkzXur ocLUGjaHszx/xdUjoXj+3oLdkFQQRuvODF7oZ2A1qiMtdD/niqD0VoPuTwkaQBWS 75eWkX9gHSycLI3KQypNDQwkpAUN6aEHp4LmKK4+JzxLEM+DncDa1Hipd4Cr4nT6 nDUNLL85qH7z70hZ8XgFRrR9vEh7qd3ifPzx95b86+hqyYFt+kRCKWOOurM2LNx4 IRRN6dyMtLv0MyjYe8tvl5r9ek/sDbO/W/SrVM6jsAmM9fqb2z1Hr+JFX64e1GQc FksoeTW/E86lNHTp4S+9KBtxlNT2RqUKeMxv4I2LSqzB+RQ6iJX1zIVN2b3a4KCY MCjof62QYzP3EKG7nRz5/elE8UTfXkVjX0Jr0sIORjLHRtVoEOf24CF/anEmQj16 CajuPnN1jKbmdt/HWxuSUkW5pQmIrPsYixYVPzzELVmVvKdZurXvHaugp/8xB26C jtMas22zPW+8L/YcC1MODVwyQzYBwySGDtCRZob6o1Ujcsm4A2syfMvG7/ZyHXGr JmJq1BO+DenPNn8JO9JM7Ac17SpTeIae2JfJQflPaJMn9w84a/60Rxegk1PguZ2b x9QqierEqNM= =t0ym -----END PGP SIGNATURE-----