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Gentoo Linux Security Advisory GLSA 200805-05 |
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http://security.gentoo.org/ |
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|
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Severity: Normal |
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Title: Wireshark: Denial of Service |
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Date: May 07, 2008 |
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Bugs: #215276 |
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ID: 200805-05 |
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|
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Synopsis |
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======== |
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|
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Multiple Denial of Service vulnerabilities have been discovered in |
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Wireshark. |
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|
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Background |
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========== |
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|
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Wireshark is a network protocol analyzer with a graphical front-end. |
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|
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 net-analyzer/wireshark < 1.0.0 >= 1.0.0 |
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|
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Description |
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=========== |
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|
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Errors exist in: |
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|
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* the X.509sat dissector because of an uninitialized variable and the |
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Roofnet dissector because a NULL pointer may be passed to the |
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g_vsnprintf() function (CVE-2008-1561). |
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|
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* the LDAP dissector because a NULL pointer may be passed to the |
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ep_strdup_printf() function (CVE-2008-1562). |
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|
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* the SCCP dissector because it does not reset a pointer once the |
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packet has been processed (CVE-2008-1563). |
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|
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Impact |
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====== |
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|
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A remote attacker could exploit these vulnerabilities by sending a |
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malformed packet or enticing a user to read a malformed packet trace |
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file, causing a Denial of Service. |
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|
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Workaround |
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========== |
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|
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Disable the X.509sat, Roofnet, LDAP, and SCCP dissectors. |
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|
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Resolution |
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========== |
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|
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All Wireshark users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=net-analyzer/wireshark-1.0.0" |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2008-1561 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1561 |
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[ 2 ] CVE-2008-1562 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1562 |
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[ 3 ] CVE-2008-1563 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1563 |
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|
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Availability |
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============ |
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|
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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|
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http://security.gentoo.org/glsa/glsa-200805-05.xml |
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|
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Concerns? |
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========= |
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|
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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http://bugs.gentoo.org. |
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|
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License |
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======= |
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|
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Copyright 2008 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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|
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http://creativecommons.org/licenses/by-sa/2.5 |
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