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66 lines
2.0 KiB
66 lines
2.0 KiB
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="200506-10">
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<title>LutelWall: Insecure temporary file creation</title>
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<synopsis>
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LutelWall is vulnerable to symlink attacks, potentially allowing a local
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user to overwrite arbitrary files.
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</synopsis>
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<product type="ebuild">LutelWall</product>
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<announced>2005-06-11</announced>
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<revised count="01">2005-06-11</revised>
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<bug>95378</bug>
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<access>local</access>
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<affected>
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<package name="net-firewall/lutelwall" auto="yes" arch="*">
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<unaffected range="ge">0.98</unaffected>
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<vulnerable range="lt">0.98</vulnerable>
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</package>
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</affected>
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<background>
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<p>
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LutelWall is a high-level Linux firewall configuration tool.
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</p>
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</background>
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<description>
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<p>
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Eric Romang has discovered that the new_version_check() function
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in LutelWall insecurely creates a temporary file when updating to a new
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version.
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</p>
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</description>
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<impact type="normal">
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<p>
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A local attacker could create symbolic links in the temporary file
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directory, pointing to a valid file somewhere on the filesystem. When
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the update script is executed (usually by the root user), this would
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result in the file being overwritten with the rights of this user.
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</p>
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</impact>
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<workaround>
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<p>
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There is no known workaround at this time.
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</p>
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</workaround>
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<resolution>
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<p>
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All LutelWall users should upgrade to the latest version:
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</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=net-firewall/lutelwall-0.98"</code>
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</resolution>
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<references>
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<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1879">CAN-2005-1879</uri>
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</references>
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<metadata tag="requester" timestamp="2005-06-10T12:14:36Z">
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vorlon078
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</metadata>
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<metadata tag="bugReady" timestamp="2005-06-10T13:37:17Z">
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koon
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</metadata>
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<metadata tag="submitter" timestamp="2005-06-10T15:27:13Z">
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formula7
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</metadata>
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</glsa>
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