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78 lines
2.9 KiB
78 lines
2.9 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="200501-07">
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<title>xine-lib: Multiple overflows</title>
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<synopsis>
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xine-lib contains multiple overflows potentially allowing execution of
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arbitrary code.
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</synopsis>
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<product type="ebuild">xine-lib</product>
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<announced>2005-01-06</announced>
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<revised count="01">2005-01-06</revised>
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<bug>74475</bug>
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<access>remote</access>
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<affected>
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<package name="media-libs/xine-lib" auto="yes" arch="*">
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<unaffected range="ge">1_rc8-r1</unaffected>
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<unaffected range="rge">1_rc6-r1</unaffected>
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<vulnerable range="lt">1_rc8-r1</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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xine-lib is a multimedia library which can be utilized to create
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multimedia frontends.
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</p>
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</background>
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<description>
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<p>
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Ariel Berkman discovered that xine-lib reads specific input data
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into an array without checking the input size in demux_aiff.c, making
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it vulnerable to a buffer overflow (CAN-2004-1300) . iDefense
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discovered that the PNA_TAG handling code in pnm_get_chunk() does not
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check if the input size is larger than the buffer size (CAN-2004-1187).
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iDefense also discovered that in this same function, a negative value
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could be given to an unsigned variable that specifies the read length
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of input data (CAN-2004-1188).
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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 remote attacker could craft a malicious movie or convince a
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targeted user to connect to a malicious PNM server, which could result
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in the execution of arbitrary code with the rights of the user running
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any xine-lib frontend.
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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 xine-lib 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 media-libs/xine-lib</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-2004-1187">CAN-2004-1187</uri>
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<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1188">CAN-2004-1188</uri>
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<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1300">CAN-2004-1300</uri>
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<uri link="http://www.idefense.com/application/poi/display?id=176&type=vulnerabilities">iDefense Advisory</uri>
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<uri link="http://www.idefense.com/application/poi/display?id=177&type=vulnerabilities">iDefense Advisory</uri>
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<uri link="http://tigger.uic.edu/~jlongs2/holes/xine-lib.txt">Ariel Berkman Advisory</uri>
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</references>
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<metadata tag="requester" timestamp="2004-12-21T14:06:44Z">
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koon
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</metadata>
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<metadata tag="submitter" timestamp="2004-12-21T16:57:50Z">
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SeJo
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</metadata>
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<metadata tag="bugReady" timestamp="2005-01-06T08:50:09Z">
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koon
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</metadata>
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</glsa>
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