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Gentoo Linux Security Advisory GLSA 201006-20 |
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http://security.gentoo.org/ |
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Severity: Normal |
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Title: Asterisk: Multiple vulnerabilities |
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Date: June 04, 2010 |
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Bugs: #281107, #283624, #284892, #295270 |
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ID: 201006-20 |
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Synopsis |
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======== |
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|
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Multiple vulnerabilities in Asterisk might allow remote attackers to |
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cause a Denial of Service condition, or conduct other attacks. |
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|
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Background |
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========== |
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|
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Asterisk is an open source telephony engine and toolkit. |
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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-misc/asterisk < 1.2.37 >= 1.2.37 |
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|
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Description |
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=========== |
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|
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Multiple vulnerabilities have been reported in Asterisk: |
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|
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* Nick Baggott reported that Asterisk does not properly process |
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overly long ASCII strings in various packets (CVE-2009-2726). |
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|
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* Noam Rathaus and Blake Cornell reported a flaw in the IAX2 protocol |
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implementation (CVE-2009-2346). |
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|
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* amorsen reported an input processing error in the RTP protocol |
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implementation (CVE-2009-4055). |
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|
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* Patrik Karlsson reported an information disclosure flaw related to |
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the REGISTER message (CVE-2009-3727). |
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|
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* A vulnerability was found in the bundled Prototype JavaScript |
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library, related to AJAX calls (CVE-2008-7220). |
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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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specially crafted package, possibly causing a Denial of Service |
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condition, or resulting in information disclosure. |
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|
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Workaround |
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========== |
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There is no known workaround at this time. |
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Resolution |
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========== |
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All Asterisk users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=net-misc/asterisk-1.2.37" |
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|
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NOTE: This is a legacy GLSA. Updates for all affected architectures are |
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available since January 5, 2010. It is likely that your system is |
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already no longer affected by this issue. |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2009-2726 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2726 |
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[ 2 ] CVE-2009-2346 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2346 |
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[ 3 ] CVE-2009-4055 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4055 |
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[ 4 ] CVE-2009-3727 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3727 |
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[ 5 ] CVE-2008-7220 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-7220 |
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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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http://security.gentoo.org/glsa/glsa-201006-20.xml |
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Concerns? |
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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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https://bugs.gentoo.org. |
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|
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License |
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======= |
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Copyright 2010 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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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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