Gentoo: snort buffer overflow vulnerability
Posted by LinuxSecurity.com Team   
Gentoo Remote attackers may exploit the buffer overflow condition to run arbitrary code on a Snort sensor with the privileges of the Snort IDS process, which typically runs as the superuser.

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GENTOO LINUX SECURITY ANNOUNCEMENT 200303-6
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          PACKAGE : snort
          SUMMARY : remote dos
             DATE : 2003-03-06 10:59 UTC
          EXPLOIT : remote
VERSIONS AFFECTED : <1.9.1
    FIXED VERSION : =>1.9.1
              CVE : CAN-2003-0033

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From advisory:

"Remote attackers may exploit the buffer overflow condition to run
arbitrary code on a Snort sensor with the privileges of the Snort IDS
process, which typically runs as the superuser. The vulnerable
preprocessor is enabled by default. It is not necessary to establish
an actual connection to a RPC portmapper service to exploit this
vulnerability."

Read the full advisory at: 
http://www.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21951

SOLUTION

It is recommended that all Gentoo Linux users who are running
net-analyzer/snort upgrade to snort-1.9.1 as follows:

emerge sync
emerge -u snort
emerge clean

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