CVE-2009-5029

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    CVE-2009-5029

    Published: 2 May 2013Last Modified: 10 Apr 2026

    Summary:

    Details: Integer overflow in the __tzfile_read function in glibc before 2.15 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted timezone (TZ) file, as demonstrated using vsftpd.

    References: http://dividead.wordpress.com/2009/06/01/glibc-timezone-integer-overflow/, http://sourceware.org/ml/libc-alpha/2011-12/msg00037.html, https://bugzilla.redhat.com/show_bug.cgi?id=761245, http://lists.grok.org.uk/pipermail/full-disclosure/2011-December/084452.html, http://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=97ac2654b2d831acaa18a2b018b0736245903fd2

    Affected packages

    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