Date: Thu, 1 Nov 2018 19:20:06 +0000 (UTC) From: Sunpoet Po-Chuan Hsieh <sunpoet@FreeBSD.org> To: ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org Subject: svn commit: r483730 - head/security/vuxml Message-ID: <201811011920.wA1JK6Br040156@repo.freebsd.org>
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Author: sunpoet Date: Thu Nov 1 19:20:06 2018 New Revision: 483730 URL: https://svnweb.freebsd.org/changeset/ports/483730 Log: Document curl vulnerability Modified: head/security/vuxml/vuln.xml Modified: head/security/vuxml/vuln.xml ============================================================================== --- head/security/vuxml/vuln.xml Thu Nov 1 19:17:56 2018 (r483729) +++ head/security/vuxml/vuln.xml Thu Nov 1 19:20:06 2018 (r483730) @@ -58,6 +58,76 @@ Notes: * Do not forget port variants (linux-f10-libxml2, libxml2, etc.) --> <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">; + <vuln vid="e0ab1773-07c1-46c6-9170-4c5e81c00927"> + <topic>curl -- multiple vulnerabilities</topic> + <affects> + <package> + <name>curl</name> + <range><ge>7.14.1</ge><lt>7.60.0</lt></range> + </package> + </affects> + <description> + <body xmlns="http://www.w3.org/1999/xhtml">; + <p>curl security problems:</p> + <blockquote cite="https://curl.haxx.se/docs/security.html">; + <p>CVE-2018-16839: SASL password overflow via integer overflow</p> + <p>libcurl contains a buffer overrun in the SASL authentication code.</p> + <p>The internal function Curl_auth_create_plain_message fails to + correctly verify that the passed in lengths for name and password + aren't too long, then calculates a buffer size to allocate.</p> + <p>On systems with a 32 bit size_t, the math to calculate the buffer size + triggers an integer overflow when the user name length exceeds 2GB + (2^31 bytes). This integer overflow usually causes a very small buffer + to actually get allocated instead of the intended very huge one, making + the use of that buffer end up in a heap buffer overflow.</p> + <p>This bug is very similar to CVE-2017-14618.</p> + <p>It affects curl 7.33.0 to 7.61.1.</p> + <p>CVE-2018-16840: use-after-free in handle close</p> + <p>libcurl contains a heap use-after-free flaw in code related to closing + an easy handle.</p> + <p>When closing and cleaning up an "easy" handle in the Curl_close() + function, the library code first frees a struct (without nulling the + pointer) and might then subsequently erroneously write to a struct + field within that already freed struct.</p> + <p>It affects curl 7.59.0 to 7.61.1.</p> + <p>CVE-2018-16842: warning message out-of-buffer read</p> + <p>curl contains a heap out of buffer read vulnerability.</p> + <p>The command line tool has a generic function for displaying warning + and informational messages to stderr for various situations. For + example if an unknown command line argument is used, or passed to it in + a "config" file.</p> + <p>This display function formats the output to wrap at 80 columns. The + wrap logic is however flawed, so if a single word in the message is + itself longer than 80 bytes the buffer arithmetic calculates the + remainder wrong and will end up reading behind the end of the buffer. + This could lead to information disclosure or crash.</p> + <p>This vulnerability could lead to a security issue if used in this or + similar situations:</p> + <p>1. a server somewhere uses the curl command line to run something</p> + <p>2. if it fails, it shows stderr to the user</p> + <p>3. the server takes user input for parts of its command line input</p> + <p>4. user provides something overly long that triggers this crash</p> + <p>5. the stderr output may now contain user memory contents that wasn't + meant to be available</p> + <p>It affects curl 7.14.1 to 7.61.1.</p> + </blockquote> + </body> + </description> + <references> + <url>https://curl.haxx.se/docs/security.html</url>; + <url>https://curl.haxx.se/docs/CVE-2018-16839.html</url>; + <url>https://curl.haxx.se/docs/CVE-2018-16840.html</url>; + <url>https://curl.haxx.se/docs/CVE-2018-16842.html</url>; + <cvename>CVE-2018-16839</cvename> + <cvename>CVE-2018-16840</cvename> + <cvename>CVE-2018-16842</cvename> + </references> + <dates> + <discovery>2018-10-31</discovery> + <entry>2018-11-01</entry> + </dates> + </vuln> + <vuln vid="b51d9e83-de08-11e8-9416-001b217b3468"> <topic>Gitlab -- SSRF in Kubernetes integration</topic> <affects>
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