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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.3478 ppp vulnerability patched in Ubuntu 7 November 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ppp Publisher: Ubuntu Operating System: Ubuntu Linux variants Impact/Access: Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-11574 Original Bulletin: http://www.ubuntu.com/usn/usn-3810-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running ppp check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3810-1 November 06, 2018 ppp vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 18.04 LTS - - Ubuntu 16.04 LTS - - Ubuntu 14.04 LTS Summary: ppp could be made to crash or bypass authentication if it received specially crafted network traffic. Software Description: - - ppp: Point-to-Point Protocol (PPP) Details: Ivan Gotovchits discovered that ppp incorrectly handled the EAP-TLS protocol. A remote attacker could use this issue to cause ppp to crash, resulting in a denial of service, or possibly bypass authentication. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: ppp 2.4.7-2+2ubuntu1.1 Ubuntu 16.04 LTS: ppp 2.4.7-1+2ubuntu1.16.04.1 Ubuntu 14.04 LTS: ppp 2.4.5-5.1ubuntu2.3 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3810-1 CVE-2018-11574 Package Information: https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+2ubuntu1.1 https://launchpad.net/ubuntu/+source/ppp/2.4.7-1+2ubuntu1.16.04.1 https://launchpad.net/ubuntu/+source/ppp/2.4.5-5.1ubuntu2.3 - --------------------------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 iQIVAwUBW+JAAGaOgq3Tt24GAQhwQA/+M20gNPh15xPcxdoz2g6RmZWTdRNrp3zd W2zk9oHK34n9f4xf7lxKRy2Qm4b0RFGGVXKMvWddj8uzwkYYsSw9UwLqwtMiu8DV vbSZcOCtsQg3uvO7KtvXauYOXo53fXIyq25vStRV4IuJPt/l8+D/tmDh0Tf5HsUk tZzP9jbA2ue5BY4AwFd4HI/mzjdOrcvmmjAMD5+Ofq4Bqvq7nDP5DEZme5BTYEr8 gJD9xFlvzBbv1LMOR4t16S2RXTLMHg4ywkb+9VTlnqGvCAeP11wggq3cz6dLAizB 2ygfI2sTB8pGeC/AmpxKzYk/0ro2lUtT32xaLYCPNWeDML3xcvNCrc6j2MrqnoJb JPMO5kjI2dS7eaDOugVMgsSgZchkZfZFrbizenXRi6oVHxE99wBFDS27gykkY1Ca /3U97g96XiZI4aHNovMFK+iyCZAIzXc4cuD8upuyn/Ve7XcydBQBGgPE5VDvmzuP gb3+0aqQQPAf1aezSEp7dRIfazQh+PNs+HlTWAmbKy6wGpH7iVb17WXMsuGs4YlK ChF9OmXDi4JLLUkOjDcA7oZgsdXGGMILhFD+kUWaOIoh6bLLjuWZ8pYBRG2scquX xEFbr+EcikOAbUymS0Q49//M/uhjpe9xUvte+vjhk8p8ZMy3Dbb44X0OutEDrNSR l0f7qpGdsuk= =89HO -----END PGP SIGNATURE-----