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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200506-08">
+ <title>GNU shtool, ocaml-mysql: Insecure temporary file creation</title>
+ <synopsis>
+ GNU shtool and ocaml-mysql are vulnerable to symlink attacks, potentially
+ allowing a local user to overwrite arbitrary files.
+ </synopsis>
+ <product type="ebuild">GNU shtool</product>
+ <announced>2005-06-11</announced>
+ <revised count="01">2005-06-11</revised>
+ <bug>93782</bug>
+ <bug>93784</bug>
+ <access>local</access>
+ <affected>
+ <package name="dev-util/shtool" auto="yes" arch="*">
+ <unaffected range="ge">2.0.1-r2</unaffected>
+ <vulnerable range="lt">2.0.1-r2</vulnerable>
+ </package>
+ <package name="dev-ml/ocaml-mysql" auto="yes" arch="*">
+ <unaffected range="ge">1.0.3-r1</unaffected>
+ <vulnerable range="lt">1.0.3-r1</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ GNU shtool is a compilation of small shell scripts into a single
+ shell tool. The ocaml-mysql package includes the GNU shtool code.
+ </p>
+ </background>
+ <description>
+ <p>
+ Eric Romang has discovered that GNU shtool insecurely creates
+ temporary files with predictable filenames (CAN-2005-1751). On closer
+ inspection, Gentoo Security discovered that the shtool temporary file,
+ once created, was being reused insecurely (CAN-2005-1759).
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A local attacker could create symbolic links in the temporary
+ files directory, pointing to a valid file somewhere on the filesystem.
+ When a GNU shtool script is executed, this would result in the file
+ being overwritten with the rights of the user running the script, which
+ could be the root user.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All GNU shtool users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=dev-util/shtool-2.0.1-r2"</code>
+ <p>
+ All ocaml-mysql users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=dev-ml/ocaml-mysql-1.0.3-r1"</code>
+ </resolution>
+ <references>
+ <uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1751">CAN-2005-1751</uri>
+ <uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1759">CAN-2005-1759</uri>
+ </references>
+ <metadata tag="requester" timestamp="2005-05-27T16:05:53Z">
+ vorlon078
+ </metadata>
+ <metadata tag="submitter" timestamp="2005-05-28T21:16:10Z">
+ formula7
+ </metadata>
+ <metadata tag="bugReady" timestamp="2005-06-10T15:51:35Z">
+ koon
+ </metadata>
+</glsa>