<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201710-02"> <title>file: Stack-based buffer overflow</title> <synopsis>A stack-based buffer overflow was found in file, possibly resulting in the execution of arbitrary code. </synopsis> <product type="ebuild">file</product> <announced>2017-10-08</announced> <revised count="1">2017-10-08</revised> <bug>629872</bug> <access>remote</access> <affected> <package name="sys-apps/file" auto="yes" arch="*"> <unaffected range="ge">5.32</unaffected> <vulnerable range="lt">5.32</vulnerable> </package> </affected> <background> <p>file is a utility that guesses a file format by scanning binary data for patterns. </p> </background> <description> <p>An issue discovered in file allows attackers to write 20 bytes to the stack buffer via a specially crafted .notes section. </p> </description> <impact type="normal"> <p>A remote attacker, by using a specially crafted .notes section in an ELF binary, could execute arbitrary code or cause a Denial of Service condition. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All file users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/file-5.32" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-1000249"> CVE-2017-1000249 </uri> </references> <metadata tag="requester" timestamp="2017-09-29T23:38:45Z">chrisadr</metadata> <metadata tag="submitter" timestamp="2017-10-08T13:26:24Z">chrisadr</metadata> </glsa>