GLSA: glibc (200311-05)

From: Andrea Barisani (lcars_at_gentoo.org)
Date: 11/24/03

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    Date: Mon, 24 Nov 2003 18:04:51 +0000
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    - - ---------------------------------------------------------------------------
    GENTOO LINUX SECURITY ANNOUNCEMENT 200311-05
    - - ---------------------------------------------------------------------------

    GLSA: 200311-05
    package: sys-libs/glibc
    summary: Glibc getgrouplist buffer overrun vulnerability
    severity: normal
    Gentoo bug: 33383
    date: 2003-11-22
    CVE: CAN-2003-0689
    affected: <=2.2.4
    fixed: >=2.2.5

    DESCRIPTION:

    A bug in the getgrouplist function can cause a buffer overflow if the size of
    the group list is too small to hold all the user's groups. This overflow can
    cause segmentation faults in user applications. This vulnerability exists
    only when an administrator has placed a user in a number of groups larger
    than that expected by an application.

    SOLUTION:

    It is recommended that all Gentoo Linux users update their systems as
    follows:

    emerge sync
    emerge '>=sys-libs/glibc-2.2.5'
    emerge clean

    - --
    Andrea Barisani <lcars@gentoo.org> .*.
    Gentoo Linux Infrastructure Developer V
                                                                 ( )
    GPG-Key 0xC9EE0905 http://dev.gentoo.org/~lcars/pubkey.asc ( )
        491D E9E0 3875 0EC9 10DD 150B CAA9 2C7D C9EE 0905 ^^_^^

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