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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1403 USN-3955-1: tcpflow vulnerabilities 26 April 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: tcpflow Publisher: Ubuntu Operating System: Ubuntu UNIX variants (UNIX, Linux, OSX) Impact/Access: Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-18409 CVE-2018-14938 Original Bulletin: https://usn.ubuntu.com/3955-1/ Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running tcpflow check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3955-1: tcpflow vulnerabilities 24 April 2019 tcpflow vulnerabilities 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 tcpflow could be made to crash or expose sensitive information over the network if it opened a specially crafted file or received specially crafted network traffic. Software Description o tcpflow - TCP flow recorder Details It was discovered that tcpflow incorrectly handled certain malformed network packets. A remote attacker could send these packets to a target system, causing tcpflow to crash or possibly disclose sensitive information. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10 tcpflow - 1.4.5+repack1-4ubuntu0.18.10.1 tcpflow-nox - 1.4.5+repack1-4ubuntu0.18.10.1 Ubuntu 18.04 LTS tcpflow - 1.4.5+repack1-4ubuntu0.18.04.1 tcpflow-nox - 1.4.5+repack1-4ubuntu0.18.04.1 Ubuntu 16.04 LTS tcpflow - 1.4.5+repack1-1ubuntu0.1 tcpflow-nox - 1.4.5+repack1-1ubuntu0.1 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-2018-14938 o CVE-2018-18409 - --------------------------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 iQIVAwUBXMJI62aOgq3Tt24GAQhcWg/8DbXBBcGVoedSci9OFhHIGWOOBzyNkhhu 5KsxUcLG1mqjX0weUS7DdIaonLrFeC/eSLfOTlzYqsngmZGMLGepo72ZSrMqHvsd xDP3OHlmFGdsqrWa/updPwsTRkVyCEkNV0cehS84SGUNd5i5IwX9puYZlW9GqKvJ fnbChoKunsLsrrMYtq3GmUi2k+jyr94gpBF7xOfOEkGQJahmp/FP/5br5poreTXd +aDthIa9w/ZIBRb3Ggo7iMcecJpr1oVUaxHqDKUQFv421gWvQfWsm2W6SlKhfHx5 QZbGz2zmZK+kxr13TkusZ1MEBeX7ZSXaaT+hMAiFUOywwcCuSYpf2Gg3A+vAs518 YOihUxaWTJZlcXnfG8QHQr4zZjU95a7VMafpLt8O7w3nZqxzLa6hXFhdEZjrb9Zn cag2cKlkemHR4DkhdxdOtlSXIuXW5VF/CriyaPE7H58sU0V6m8xfP8SgQTqNATD6 LKCbVNDQYsSTjP0kKRFgfy25TKyy+giF+19RydRHoBJWT35bvSj8dnV97DgbRgvp thIoHMK77YWYB24n4cYjd+tQzUEhWHz1x/1dcqCh9L1i8xhpZDRGE0ZV5stNk/hv MWZMR+CUPveTIgBOaSMKm9PIrMGR3A9VY4zQWKheXWo9+w/pBLxioxM3duBCeH4b SDfisg++X3w= =sjS/ -----END PGP SIGNATURE-----