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Home » Hacking News » Gentoo 200303-29: dietlibc integer overflow

Gentoo 200303-29: dietlibc integer overflow

by Nikola Strahija on April 2nd, 2003 The vulnerable function, xdrmem_getbytes(), which is used by various services contains an integer overflow vulnerability.


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GENTOO LINUX SECURITY ANNOUNCEMENT 200303-29
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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

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- 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

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[email protected] - GnuPG key is available at http://cvs.gentoo.org/~aliz
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