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Article #8

BIND9 DNS Dynamic Update DoS

#8
From: Yasushi Shinjo
Date: Thu, 30 Jul 2009 06:44
29 lines
2046 bytes
$B?7>k!wC^GHBg3X>pJs$G$9!#$3$s$K$A$O!#(B

DNS $B%5!<%P(B BIND9 $B$K!"<!$N$h$&$JLdBj$,8+$D$+$C$?$=$&$G$9!#(B

https://www.isc.org/node/474
------------------------------------------------------------
BIND Dynamic Update DoS
CVE: CVE-2009-0696 	 
CERT: VU#725188 	 
Posting date: 2009-07-28 	 
Program Impacted: BIND 	 
Versions affected: BIND 9 (all versions)
Severity: High 	 
Exploitable: remotely 	 
Summary: BIND denial of service (server crash) caused by
	 receipt of a specific remote dynamic update message.
------------------------------------------------------------

$BFC$K(B dynamic uupdate $B$r<uIU$1$k@_Dj$r$7$F$$$J$/$F$b!"30$+$i(B
$BJQ$J%a%C%;!<%8$r<u$1<h$k$H!"%/%i%C%7%e$7$F$7$^$&$H$N$3$H$G$9!#(B
$B%"%/%;%9@)8f$G;_$a$F$bL5BL$H$N$3$H!#$1$C$3$&$d$P$=$&$G$O$"$j(B
$B$^$9!#(B

$B$3$NLdBj$O!"$"$k%>!<%s$N%^%9%?!<$K$J$C$F$$$k$H=P$F$/$k$H$$$&(B
$B$3$H$J$N$G!"%9%l!<%V$7$+$7$F$J$+$C$?$j!"%-%c%C%7%e$7$+$7$F$J(B
$B$$$h$&$J>l9g$K$O!"$H$j$"$($:$OJ?5$$_$?$$!#(B

$B!@!@!!?7>k!!Lw!!!J$7$s$8$g$&!!$d$9$7!K!!!@!@(B
$B!@!@!!C^GHBg3X!!EE;R!&>pJs!!!!!!!!!!!!!!!@!@(B
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From: yas@is.tsukuba.ac.jp (Yasushi Shinjo)
Newsgroups: fj.net.ip.dns,fj.comp.security
Subject: BIND9 DNS Dynamic Update DoS
Date: 30 Jul 2009 06:44:45 GMT
Organization: Institute of Information Sciences and Electronics, University of
 Tsukuba
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