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TITLE:
tcpdump Multiple Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA15125

VERIFY ADVISORY:
http://secunia.com/advisories/15125/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
tcpdump 3.x
http://secunia.com/product/749/

DESCRIPTION:
Vade79 has reported some vulnerabilities in tcpdump, which can be
exploited by malicious people to cause a DoS (Denial of Service).

1) An error in the "isis_print()" function can be exploited to cause
tcpdump to enter an infinite loop and stop responding via a specially
crafted GRE packet.

This vulnerability has been reported in versions 3.8.x and 3.9.1.
Other versions may also be affected.

2) An error can be exploited to cause tcpdump to enter an infinite
loop and stop responding via a specially crafted BGP packet.

This vulnerability has been reported in versions 3.8.x.

3) An error in the "ldp_print()" function can be exploited to cause
tcpdump to enter an infinite loop and stop responding via a specially
crafted LDP packet.

This vulnerability has been reported in versions 3.8.x.

4) An error in the "rsvp_print()" function can be exploited to cause
tcpdump to enter an infinite loop and stop responding via a specially
crafted RSVP packet.

This vulnerability has been reported in versions 3.8.x and 3.9.1.
Other versions may also be affected.

SOLUTION:
The vulnerabilities have reportedly been fixed in CVS-current.

PROVIDED AND/OR DISCOVERED BY:
Vade79

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About:
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