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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200511-10">
<title>RAR: Format string and buffer overflow vulnerabilities</title>
RAR contains a format string error and a buffer overflow vulnerability that
may be used to execute arbitrary code.
<product type="ebuild">rar</product>
<announced>November 13, 2005</announced>
<revised>November 13, 2005: 01</revised>
<package name="app-arch/rar" auto="yes" arch="*">
<unaffected range="ge">3.5.1</unaffected>
<vulnerable range="lt">3.5.1</vulnerable>
RAR is a powerful archive manager that can decompress RAR, ZIP and
other files, and can create new archives in RAR and ZIP file format.
Tan Chew Keong reported about two vulnerabilities found in RAR:
<li>A format string error exists when displaying a diagnostic
error message that informs the user of an invalid filename in an
UUE/XXE encoded file.</li>
<li>Some boundary errors in the processing
of malicious ACE archives can be exploited to cause a buffer
<impact type="normal">
A remote attacker could exploit these vulnerabilities by enticing
a user to:
<ul><li>decode a specially crafted UUE/XXE file,
<li>extract a malicious ACE archive containing a file with an
overly long filename.</li>
When the user performs these
actions, the arbitrary code of the attacker's choice will be executed.
There is no known workaround at this time.
All RAR users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=app-arch/rar-3.5.1&quot;</code>
<uri link="">RAR Release Notes</uri>
<uri link="">Secunia Research 11/10/2005</uri>
<metadata tag="requester" timestamp="Fri, 11 Nov 2005 09:12:31 +0000">
<metadata tag="submitter" timestamp="Fri, 11 Nov 2005 14:35:09 +0000">
<metadata tag="bugReady" timestamp="Fri, 11 Nov 2005 14:35:22 +0000">