[gentoo-announce] [ GLSA 201502-05 ] tcpdump: Multiple vulnerabilities

Fabricante: Gentoo
Fecha: 07/02/2015
Identificador: GLSA 201502-05
[gentoo-announce] [ GLSA 201502-05 ] tcpdump: Multiple vulnerabilities
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201502-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: tcpdump: Multiple vulnerabilities Date: February 07, 2015 Bugs: #534660 ID: 201502-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities in tcpdump could result in execution of arbitrary code or Denial of Service. Background ========== tcpdump is a tool for capturing and inspecting network traffic. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-analyzer/tcpdump < 4.6.2-r1 >= 4.6.2-r1 Description =========== Multiple vulnerabilities have been discovered in tcpdump: * The olsr_print function function contains an integer underflow error (CVE-2014-8767) * The geonet_print function function contains multiple integer underflow errors (CVE-2014-8768) * The decoder for the Ad hoc On-Demand Distance Vector protocol contains an out-of-bounds memory access error (CVE-2014-8769) * The ppp_hdlc function contains a buffer overflow error (CVE-2014-9140) Impact ====== A remote attacker may be able to send a specially crafted packet, possibly resulting in execution of arbitrary code or a Denial of Service condition. Workaround ========== There is no known workaround at this time. Resolution ========== All tcpdump users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-analyzer/tcpdump-4.6.2-r1" References ========== [ 1 ] CVE-2014-8767 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8767 [ 2 ] CVE-2014-8768 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8768 [ 3 ] CVE-2014-8769 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8769 [ 4 ] CVE-2014-9140 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9140 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201502-05.xml Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2015 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.5