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Gentoo: xdrmem_getbytes buffer overflow vulnerability Print E-mail
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Posted by LinuxSecurity.com Team   
Gentoo The xdrmem_getbytes() function in the XDR library provided by Sun Microsystems contains an integer overflow.

- - ---------------------------------------------------------------------
GENTOO LINUX SECURITY ANNOUNCEMENT 200303-29
- - ---------------------------------------------------------------------

          PACKAGE : dietlibc
          SUMMARY : integer overflow
             DATE : 2003-03-31 12:35 UTC
          EXPLOIT : remote
VERSIONS AFFECTED : <0.22-r1
    FIXED VERSION : >=0.22-r1
              CVE : CAN-2003-0028

- - ---------------------------------------------------------------------

- From advisory:

"The xdrmem_getbytes() function in the XDR library provided by
Sun Microsystems contains an integer overflow. Depending on the
location and use of the vulnerable xdrmem_getbytes() routine, various
conditions may be presented that can permit an attacker to remotely
exploit a service using this vulnerable routine."

Read the full advisory at: 
http://www.eeye.com/html/Research/Advisories/AD20030318.html

SOLUTION

It is recommended that all Gentoo Linux users who are running
dev-libs/dietlibc upgrade to dietlibc-0.22-r1 as follows:

emerge sync
emerge dietlibc
emerge clean

- - ---------------------------------------------------------------------
aliz@gentoo.org - GnuPG key is available at  http://cvs.gentoo.org/~aliz
- - ---------------------------------------------------------------------

 
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