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    CVE-2009-3875

    The MessageDigest.isEqual function in Java Runtime Environment (JRE) in Sun Java SE in JDK and JRE 5.0 before Update 22, JDK and JRE 6 before Update 17, SDK and JRE 1.3.x before 1.3.1_27, and SDK and JRE 1.4.x before 1.4.2_24 allows remote attackers to spoof HMAC-based digital signatures, and possibly bypass authentication, via unspecified vectors related to "timing attack vulnerabilities," aka Bug Id 6863503.

    Published:Nov 3, 2009
    Last Modified:Apr 23, 2026
    EPS:Nov 5, 2009
    EPSS Score:0.01651
    CVSS Score:5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Microsoft
    Product
    Windows
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Network Satellite
    Vendor
    Redhat
    Product
    Rhel Extras
    Vendor
    Redhat
    Product
    Rhel Extras Sap
    Vendor
    Sun
    Product
    Jdk
    Vendor
    Sun
    Product
    Jre
    Vendor
    Sun
    Product
    Sdk
    Vendor
    Sun
    Product
    Solaris

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://java.sun.com/javase/6/webnotes/6u17.html
    http://lists.apple.com/archives/security-announce/2009/Dec/msg00000.html
    http://lists.apple.com/archives/security-announce/2009/Dec/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00010.html
    http://marc.info/?l=bugtraq&m=126566824131534&w=2
    http://marc.info/?l=bugtraq&m=131593453929393&w=2
    http://marc.info/?l=bugtraq&m=134254866602253&w=2
    http://secunia.com/advisories/37231
    http://secunia.com/advisories/37239
    http://secunia.com/advisories/37386
    http://secunia.com/advisories/37581
    http://secunia.com/advisories/37841
    http://security.gentoo.org/glsa/glsa-200911-02.xml
    http://sunsolve.sun.com/search/document.do?assetkey=1-66-270475-1
    http://support.apple.com/kb/HT3969
    http://support.apple.com/kb/HT3970
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:084
    http://www.oracle.com/technetwork/topics/security/cpujan2010-084891.html
    http://www.redhat.com/support/errata/RHSA-2009-1694.html
    http://www.securityfocus.com/bid/36881
    http://www.vupen.com/english/advisories/2009/3131
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11847
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12112
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7549
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7913
    http://java.sun.com/javase/6/webnotes/6u17.html
    http://lists.apple.com/archives/security-announce/2009/Dec/msg00000.html
    http://lists.apple.com/archives/security-announce/2009/Dec/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00010.html
    http://marc.info/?l=bugtraq&m=126566824131534&w=2
    http://marc.info/?l=bugtraq&m=131593453929393&w=2
    http://marc.info/?l=bugtraq&m=134254866602253&w=2
    http://secunia.com/advisories/37231
    http://secunia.com/advisories/37239
    http://secunia.com/advisories/37386
    http://secunia.com/advisories/37581
    http://secunia.com/advisories/37841
    http://security.gentoo.org/glsa/glsa-200911-02.xml
    http://sunsolve.sun.com/search/document.do?assetkey=1-66-270475-1
    http://support.apple.com/kb/HT3969
    http://support.apple.com/kb/HT3970
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:084
    http://www.oracle.com/technetwork/topics/security/cpujan2010-084891.html
    http://www.redhat.com/support/errata/RHSA-2009-1694.html
    http://www.securityfocus.com/bid/36881
    http://www.vupen.com/english/advisories/2009/3131
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11847
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12112
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7549
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7913

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High