Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.3123 USN-4098-1: wpa_supplicant and hostapd vulnerability 15 August 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: wpa_supplicant hostapd Publisher: Ubuntu Operating System: Ubuntu Linux variants Impact/Access: Access Privileged Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-13377 Original Bulletin: https://usn.ubuntu.com/4098-1/ Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running wpa_supplicant or hostapd check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4098-1: wpa_supplicant and hostapd vulnerability 14 August 2019 wpa vulnerability A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.04 o Ubuntu 18.04 LTS Summary wpa_supplicant and hostapd could be made to expose sensitive information over the network. Software Description o wpa - client support for WPA and WPA2 Details It was discovered that wpa_supplicant and hostapd were vulnerable to a side channel attack against EAP-pwd. A remote attacker could possibly use this issue to recover certain passwords. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 hostapd - 2:2.6-21ubuntu3.2 wpasupplicant - 2:2.6-21ubuntu3.2 Ubuntu 18.04 LTS hostapd - 2:2.6-15ubuntu2.4 wpasupplicant - 2:2.6-15ubuntu2.4 To update your system, please follow these instructions: https:// wiki.ubuntu.com/Security/Upgrades . After a standard system update you need to reboot your computer to make all the necessary changes. References o CVE-2019-13377 - --------------------------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 iQIVAwUBXVTaqmaOgq3Tt24GAQhcPA//WdPHM0+kAMlw57Pul5gwQV01hPf6fCNm VrnfQGO5FB29V75CUv7eRwy1PBagzKSnciBZ3DhdfS3LTjN8LzeWzKBSokaGJldy NP6m7jEVD1OQpXpNoibt5f3BW2+W+MEJmOe020VTjv2F5LkoBL6MFPxAU7uzsPOK JWX0aPnPFZLltnmQI50gc2Df4Z979eymj2KEYUtmEn3n3PuuuN1U7jZA3X+0zOff mRfc5c//YUv/7laj9UN19K1AKwSY4Td6FbE6tzwHSiOkIx1vqHvSDJYXuPBtsJtN n5cvJ06A5TGyqIz3FB5IqWtp5yX/2LblAS1+mr+iJEIczMMKGGoNrVR9BqVE7z8t aPE9ck9Ybi4w1+v6mkGtv4OuEBz0JG2STtUTjpRwKqusdtcKJ9cSyiuEOT//Yv7L 9qiRqyDU0yFU+d5vnsbbnI59nnzuthhl7+g4JJEr6PhLtsfMYW9PsX6LqBx0hGFE LcseAJjS7MDjr/FcEAkUaYVS+iy2QC1G/VKw0b0ZX/rV5JDl64ZkIB3k4T4r0KJc O1z5iGx8yrXjUpksRhXxwXtul45Lyh42O6L3XDyv5h9IpqzKDwz8+ymMs5VOLcOO 8pf2iT46jsrfr0ILcdB9mRSyL+CPBuOZUWSyg/2+3K0PGo4e8o6vDyWskpS234zH v/vy9NhCyeY= =oI3L -----END PGP SIGNATURE-----