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authorAlex Legler <alex@a3li.li>2015-03-08 22:02:38 +0100
committerAlex Legler <alex@a3li.li>2015-03-08 22:02:38 +0100
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Import existing advisories
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+<?xml version="1.0" encoding="utf-8"?>
+<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
+<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200609-13">
+ <title>gzip: Multiple vulnerabilities</title>
+ <synopsis>
+ gzip is affected by multiple vulnerabilities, including buffer overflows
+ and infinite loops, possibly allowing the execution of arbitrary code.
+ </synopsis>
+ <product type="ebuild">gzip</product>
+ <announced>September 23, 2006</announced>
+ <revised>September 23, 2006: 01</revised>
+ <bug>145511</bug>
+ <access>remote</access>
+ <affected>
+ <package name="app-arch/gzip" auto="yes" arch="*">
+ <unaffected range="ge">1.3.5-r9</unaffected>
+ <vulnerable range="lt">1.3.5-r9</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ gzip, the GNU zip compression utility, is a free and patent
+ unencumbered replacement for the standard compress utility.
+ </p>
+ </background>
+ <description>
+ <p>
+ Tavis Ormandy of the Google Security Team has reported multiple
+ vulnerabilities in gzip. A stack buffer modification vulnerability was
+ discovered in the LZH decompression code, where a pathological data
+ stream may result in the modification of stack data such as frame
+ pointer, return address or saved registers. A static buffer underflow
+ was discovered in the pack decompression support, allowing a specially
+ crafted pack archive to underflow a .bss buffer. A static buffer
+ overflow was uncovered in the LZH decompression code, allowing a data
+ stream consisting of pathological huffman codes to overflow a .bss
+ buffer. Multiple infinite loops were also uncovered in the LZH
+ decompression code.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A remote attacker may create a specially crafted gzip archive, which
+ when decompressed by a user or automated system exectues arbitrary code
+ with the privileges of the user id invoking gzip. The infinite loops
+ may be abused by an attacker to disrupt any automated systems invoking
+ gzip to handle data decompression.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All gzip users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose &quot;&gt;=app-arch/gzip-1.3.5-r9&quot;</code>
+ </resolution>
+ <references>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4334">CVE-2006-4334</uri>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4335">CVE-2006-4335</uri>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4336">CVE-2006-4336</uri>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4337">CVE-2006-4337</uri>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4338">CVE-2006-4338</uri>
+ </references>
+ <metadata tag="submitter" timestamp="Tue, 19 Sep 2006 13:55:56 +0000">
+ taviso
+ </metadata>
+ <metadata tag="bugReady" timestamp="Sat, 23 Sep 2006 06:36:04 +0000">
+ jaervosz
+ </metadata>
+</glsa>