Date: Wed, 22 Aug 2018 21:28:04 +0000 (UTC) From: Mark Felder <feld@FreeBSD.org> To: ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org Subject: svn commit: r477828 - head/security/vuxml Message-ID: <201808222128.w7MLS4ae021997@repo.freebsd.org>
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Author: feld Date: Wed Aug 22 21:28:04 2018 New Revision: 477828 URL: https://svnweb.freebsd.org/changeset/ports/477828 Log: Document FreeBSD-SA-18:10.ip Modified: head/security/vuxml/vuln.xml Modified: head/security/vuxml/vuln.xml ============================================================================== --- head/security/vuxml/vuln.xml Wed Aug 22 21:27:36 2018 (r477827) +++ head/security/vuxml/vuln.xml Wed Aug 22 21:28:04 2018 (r477828) @@ -58,6 +58,49 @@ Notes: * Do not forget port variants (linux-f10-libxml2, libxml2, etc.) --> <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">; + <vuln vid="359e1548-a652-11e8-805b-a4badb2f4699"> + <topic>FreeBSD -- Resource exhaustion in IP fragment reassembly</topic> + <affects> + <package> + <name>FreeBSD-kernel</name> + <range><ge>11.2</ge><lt>11.2_2</lt></range> + <range><ge>11.1</ge><lt>11.1_13</lt></range> + </package> + </affects> + <description> + <body xmlns="http://www.w3.org/1999/xhtml">; + <h1>Problem Description:</h1> + <p>A researcher has notified us of a DoS attack applicable + to another operating system. While FreeBSD may not be + vulnerable to that exact attack, we have identified several + places where inadequate DoS protection could allow an + attacker to consume system resources.</p> + <p>It is not necessary that the attacker be able to establish + two-way communication to carry out these attacks. These + attacks impact both IPv4 and IPv6 fragment reassembly.</p> + <h1>Impact:</h1> + <p>In the worst case, an attacker could send a stream of + crafted fragments with a low packet rate which would consume + a substantial amount of CPU.</p> + <p>Other attack vectors allow an attacker to send a stream + of crafted fragments which could consume a large amount of + CPU or all available mbuf clusters on the system.</p> + <p>These attacks could temporarily render a system unreachable + through network interfaces or temporarily render a system + unresponsive. The effects of the attack should clear within + 60 seconds after the attack stops.</p> + </body> + </description> + <references> + <cvename>CVE-2018-6923</cvename> + <freebsdsa>SA-18:10.ip</freebsdsa> + </references> + <dates> + <discovery>2018-08-14</discovery> + <entry>2018-08-22</entry> + </dates> + </vuln> + <vuln vid="2310b814-a652-11e8-805b-a4badb2f4699"> <topic>FreeBSD -- L1 Terminal Fault (L1TF) Kernel Information Disclosure</topic> <affects>
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