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GENTOO LINUX SECURITY ANNOUNCEMENT 200311-05
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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                             .*. 
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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