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    CVE-2011-0188

    The VpMemAlloc function in bigdecimal.c in the BigDecimal class in Ruby 1.9.2-p136 and earlier, as used on Apple Mac OS X before 10.6.7 and other platforms, does not properly allocate memory, which allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving creation of a large BigDecimal value within a 64-bit process, related to an "integer truncation issue."

    Published:Mar 1, 2011
    Last Modified:Apr 11, 2025
    EPS:Mar 23, 2011
    EPSS Score:0.0344
    CVSS Score:6.8

    Affected Products

    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Apple
    Product
    Mac Os X Server
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Ruby-lang
    Product
    Ruby

    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://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
    http://support.apple.com/kb/HT4581
    http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ext/bigdecimal/bigdecimal.c?r1=29364&r2=30993
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:097
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:098
    http://www.redhat.com/support/errata/RHSA-2011-0908.html
    http://www.redhat.com/support/errata/RHSA-2011-0909.html
    http://www.redhat.com/support/errata/RHSA-2011-0910.html
    http://www.securitytracker.com/id?1025236
    https://bugzilla.redhat.com/show_bug.cgi?id=682332
    http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
    http://support.apple.com/kb/HT4581
    http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ext/bigdecimal/bigdecimal.c?r1=29364&r2=30993
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:097
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:098
    http://www.redhat.com/support/errata/RHSA-2011-0908.html
    http://www.redhat.com/support/errata/RHSA-2011-0909.html
    http://www.redhat.com/support/errata/RHSA-2011-0910.html
    http://www.securitytracker.com/id?1025236
    https://bugzilla.redhat.com/show_bug.cgi?id=682332

    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