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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT Security Bulletin ASB-2011.0013 Denial of Service vulnerability in the Java Runtime Environment 10 February 2011 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: JDK and JRE 6 Update 23 and earlier for Windows, Solaris, and Linux JDK 5.0 Update 27 and earlier for Solaris 9 SDK 1.4.2_29 and earlier for Solaris 8 JDK and JRE 6 Update 23 and earlier for Windows, Solaris and Linux JDK and JRE 5.0 Update 27 and earlier for Windows, Solaris and Linux SDK and JRE 1.4.2_29 and earlier for Windows, Solaris and Linux Operating System: Windows UNIX variants (UNIX, Linux, OSX) Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2010-4476 Member content until: Saturday, March 12 2011 OVERVIEW Oracle has announced details of a Denial of Service vulnerability in the Java Runtime Environment (JRE). IMPACT Oracle has provided the following description of the vulnerability: "This Security Alert addresses security issue CVE-2010-4476 (Java Runtime Environment hangs when converting "2.2250738585072012e-308" to a binary floating-point number), which is a vulnerability in the Java Runtime Environment component of the Oracle Java SE and Java for Business products. This vulnerability allows unauthenticated network attacks ( i.e. it may be exploited over a network without the need for a username and password). Successful attack of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete Denial of Service) of the Java Runtime Environment. Java based application and web servers are especially at risk from this vulnerability." [1] MITIGATION Oracle advises those using affected versions of Java upgrade to appropriate newer versions outlined in their document. [1] It is expected that other vendors who package Java will update their packages shortly to resolve this vulnerability. REFERENCES [1] Oracle Security Alert for CVE-2010-4476 http://www.oracle.com/technetwork/topics/security/alert-cve-2010-4476-305811.html AusCERT has made every effort to ensure that the information contained in this document is accurate. However, the decision to use the information described is the responsibility of each user or organisation. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iD8DBQFNU2cR/iFOrG6YcBERAtRLAKCZnRqmKotKCuEwwu/hDxkrjfFjJgCfRe2r Q4w08b/zyMXkKzyQw+rh2mI= =Gszn -----END PGP SIGNATURE-----