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Red Hat, Inc. Red Hat Security Advisory
Synopsis: Updated bind packages fix buffer overflow in resolver library
Advisory ID: RHSA-2002:133-13
Issue date: 2002-07-01
Updated on: 2002-08-08
Product: Red Hat Linux
Keywords: bind libbind buffer overflow resolver library
Cross references:
Obsoletes: RHSA-2002:105
CVE Names: CAN-2002-0651
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1. Topic:
Various versions of the ISC BIND resolver libraries are vulnerable to a
buffer overflow attack. Updated BIND packages are now available to fix
this issue.
2. Relevant releases/architectures:
Red Hat Linux 6.2 - alpha, i386, sparc
Red Hat Linux 7.0 - alpha, i386
Red Hat Linux 7.1 - alpha, i386, ia64
Red Hat Linux 7.2 - i386, ia64
Red Hat Linux 7.3 - i386
3. Problem description:
ISC BIND (Berkeley Internet Name Domain) is an implementation of the DNS
(Domain Name System) protocols. BIND includes a DNS server (named),
which resolves host names to IP addresses; a resolver library
(routines for applications to use when interfacing with DNS); and
various tools.
A buffer overflow vulnerability exists in multiple implementations of DNS
resolver libraries. Applications that utilize vulnerable DNS resolver
libraries may be affected. A remote attacker who is able to send malicious
DNS responses could potentially exploit this vulnerability to execute
arbitrary code or cause a denial of service on a vulnerable system.
Red Hat Linux does not ship with any applications or libraries that link
against the BIND resolver libraries; however, third party code may be affected.
The updated bind packages included in this errata contain the patches from
8.3.3 which fix the buffer overflow applied (backported) to the 9.2.1 sources.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.0
5. RPMs required:
Red Hat Linux 6.2:
SRPMS:
ftp://updates.redhat.com/6.2/en/os/SRPMS/bind-9.2.1-0.6x.3.src.rpm
alpha:
ftp://updates.redhat.com/6.2/en/os/alpha/bind-9.2.1-0.6x.3.alpha.rpm
ftp://updates.redhat.com/6.2/en/os/alpha/bind-devel-9.2.1-0.6x.3.alpha.rpm
ftp://updates.redhat.com/6.2/en/os/alpha/bind-utils-9.2.1-0.6x.3.alpha.rpm
i386:
ftp://updates.redhat.com/6.2/en/os/i386/bind-9.2.1-0.6x.3.i386.rpm
ftp://updates.redhat.com/6.2/en/os/i386/bind-devel-9.2.1-0.6x.3.i386.rpm
ftp://updates.redhat.com/6.2/en/os/i386/bind-utils-9.2.1-0.6x.3.i386.rpm
sparc:
ftp://updates.redhat.com/6.2/en/os/sparc/bind-9.2.1-0.6x.3.sparc.rpm
ftp://updates.redhat.com/6.2/en/os/sparc/bind-devel-9.2.1-0.6x.3.sparc.rpm
ftp://updates.redhat.com/6.2/en/os/sparc/bind-utils-9.2.1-0.6x.3.sparc.rpm
Red Hat Linux 7.0:
SRPMS:
ftp://updates.redhat.com/7.0/en/os/SRPMS/bind-9.2.1-0.70.2.src.rpm
alpha:
ftp://updates.redhat.com/7.0/en/os/alpha/bind-9.2.1-0.70.2.alpha.rpm
ftp://updates.redhat.com/7.0/en/os/alpha/bind-devel-9.2.1-0.70.2.alpha.rpm
ftp://updates.redhat.com/7.0/en/os/alpha/bind-utils-9.2.1-0.70.2.alpha.rpm
i386:
ftp://updates.redhat.com/7.0/en/os/i386/bind-9.2.1-0.70.2.i386.rpm
ftp://updates.redhat.com/7.0/en/os/i386/bind-devel-9.2.1-0.70.2.i386.rpm
ftp://updates.redhat.com/7.0/en/os/i386/bind-utils-9.2.1-0.70.2.i386.rpm
Red Hat Linux 7.1:
SRPMS:
ftp://updates.redhat.com/7.1/en/os/SRPMS/bind-9.2.1-0.71.1.src.rpm
alpha:
ftp://updates.redhat.com/7.1/en/os/alpha/bind-9.2.1-0.71.1.alpha.rpm
ftp://updates.redhat.com/7.1/en/os/alpha/bind-devel-9.2.1-0.71.1.alpha.rpm
ftp://updates.redhat.com/7.1/en/os/alpha/bind-utils-9.2.1-0.71.1.alpha.rpm
i386:
ftp://updates.redhat.com/7.1/en/os/i386/bind-9.2.1-0.71.1.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/bind-devel-9.2.1-0.71.1.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/bind-utils-9.2.1-0.71.1.i386.rpm
ia64:
ftp://updates.redhat.com/7.1/en/os/ia64/bind-9.2.1-0.71.1.ia64.rpm
ftp://updates.redhat.com/7.1/en/os/ia64/bind-devel-9.2.1-0.71.1.ia64.rpm
ftp://updates.redhat.com/7.1/en/os/ia64/bind-utils-9.2.1-0.71.1.ia64.rpm
Red Hat Linux 7.2:
SRPMS:
ftp://updates.redhat.com/7.2/en/os/SRPMS/bind-9.2.1-1.7x.2.src.rpm
i386:
ftp://updates.redhat.com/7.2/en/os/i386/bind-9.2.1-1.7x.2.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/bind-devel-9.2.1-1.7x.2.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/bind-utils-9.2.1-1.7x.2.i386.rpm
ia64:
ftp://updates.redhat.com/7.2/en/os/ia64/bind-9.2.1-1.7x.2.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/bind-devel-9.2.1-1.7x.2.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/bind-utils-9.2.1-1.7x.2.ia64.rpm
Red Hat Linux 7.3:
SRPMS:
ftp://updates.redhat.com/7.3/en/os/SRPMS/bind-9.2.1-1.7x.2.src.rpm
i386:
ftp://updates.redhat.com/7.3/en/os/i386/bind-9.2.1-1.7x.2.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/bind-devel-9.2.1-1.7x.2.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/bind-utils-9.2.1-1.7x.2.i386.rpm
6. Verification:
MD5 sum Package Name
--------------------------------------------------------------------------
d3cb5507f03b5c3ae0ca8438431668cf 6.2/en/os/SRPMS/bind-9.2.1-0.6x.3.src.rpm
4699fc5859d3db460308d78b3c639ab1 6.2/en/os/alpha/bind-9.2.1-0.6x.3.alpha.rpm
3703ae447f176c9635b06ba416234d2d 6.2/en/os/alpha/bind-devel-9.2.1-0.6x.3.alpha.rpm
7cf01632b96d72344ff921cea6e5c035 6.2/en/os/alpha/bind-utils-9.2.1-0.6x.3.alpha.rpm
f6d2eea50c86f4298d002821cd0e8a7a 6.2/en/os/i386/bind-9.2.1-0.6x.3.i386.rpm
f3b4874c903330e9eec59eeabf54721d 6.2/en/os/i386/bind-devel-9.2.1-0.6x.3.i386.rpm
187e69192927cd4fe0c4825f6e4677f0 6.2/en/os/i386/bind-utils-9.2.1-0.6x.3.i386.rpm
2bd9516e6d1babe34df6c89f5dc09c62 6.2/en/os/sparc/bind-9.2.1-0.6x.3.sparc.rpm
372eb8109d5bf5f34d6d8f0d4be84f9c 6.2/en/os/sparc/bind-devel-9.2.1-0.6x.3.sparc.rpm
e5e48e3f19a0259d1e276bf8a0fa54a4 6.2/en/os/sparc/bind-utils-9.2.1-0.6x.3.sparc.rpm
e68c53f5925b7c35c5b74d9e7a26b6ce 7.0/en/os/SRPMS/bind-9.2.1-0.70.2.src.rpm
b11f6afa468633fbf30331c2a7159e88 7.0/en/os/alpha/bind-9.2.1-0.70.2.alpha.rpm
ceac2fe1e64c89eb21a01fef91c906de 7.0/en/os/alpha/bind-devel-9.2.1-0.70.2.alpha.rpm
ec2fdb6c3801db57093de8425438f54b 7.0/en/os/alpha/bind-utils-9.2.1-0.70.2.alpha.rpm
75b67e97aff499146c8d255bf4d643ca 7.0/en/os/i386/bind-9.2.1-0.70.2.i386.rpm
c722c4d37e2d9605c9ad221fd79bea5a 7.0/en/os/i386/bind-devel-9.2.1-0.70.2.i386.rpm
3abc725df73e16c5603d8569228945d4 7.0/en/os/i386/bind-utils-9.2.1-0.70.2.i386.rpm
a7f67aa2634f7343d5ef8b2bf1b46c2c 7.1/en/os/SRPMS/bind-9.2.1-0.71.1.src.rpm
f163fca03e363c94557d3060388f4345 7.1/en/os/alpha/bind-9.2.1-0.71.1.alpha.rpm
91aa401d527cf8e94261fd9596dee029 7.1/en/os/alpha/bind-devel-9.2.1-0.71.1.alpha.rpm
773d26bfe83881c82c1f9a3afa6be100 7.1/en/os/alpha/bind-utils-9.2.1-0.71.1.alpha.rpm
49c0206a556473d5229a0fb744f6bc94 7.1/en/os/i386/bind-9.2.1-0.71.1.i386.rpm
fc6f206e09d97076f5e6371ce1bdcba2 7.1/en/os/i386/bind-devel-9.2.1-0.71.1.i386.rpm
44d8567cd0ac0ffa5a01adb053b00827 7.1/en/os/i386/bind-utils-9.2.1-0.71.1.i386.rpm
03d4aa059210605b1e02676fab352a9c 7.1/en/os/ia64/bind-9.2.1-0.71.1.ia64.rpm
56e06d0c7dadcd738e34f32768b082a9 7.1/en/os/ia64/bind-devel-9.2.1-0.71.1.ia64.rpm
d95373244ed90e0673ce7d68b02aebbf 7.1/en/os/ia64/bind-utils-9.2.1-0.71.1.ia64.rpm
56834b83e090ac25583e7b417c9ecef0 7.2/en/os/SRPMS/bind-9.2.1-1.7x.2.src.rpm
8636bdf02a5c862a8e7773447ced2a4c 7.2/en/os/i386/bind-9.2.1-1.7x.2.i386.rpm
35007eaef20eb645d6ca7c3e02cb10d8 7.2/en/os/i386/bind-devel-9.2.1-1.7x.2.i386.rpm
b467c81cea2c6653df6bc816401b598c 7.2/en/os/i386/bind-utils-9.2.1-1.7x.2.i386.rpm
c827f0a5a98101c15d9036b9a96f2d78 7.2/en/os/ia64/bind-9.2.1-1.7x.2.ia64.rpm
b343a59470e182319db3616d251003ad 7.2/en/os/ia64/bind-devel-9.2.1-1.7x.2.ia64.rpm
2463224d2c2ed6eba0fbce4048e3f504 7.2/en/os/ia64/bind-utils-9.2.1-1.7x.2.ia64.rpm
56834b83e090ac25583e7b417c9ecef0 7.3/en/os/SRPMS/bind-9.2.1-1.7x.2.src.rpm
8636bdf02a5c862a8e7773447ced2a4c 7.3/en/os/i386/bind-9.2.1-1.7x.2.i386.rpm
35007eaef20eb645d6ca7c3e02cb10d8 7.3/en/os/i386/bind-devel-9.2.1-1.7x.2.i386.rpm
b467c81cea2c6653df6bc816401b598c 7.3/en/os/i386/bind-utils-9.2.1-1.7x.2.i386.rpm
These packages are GPG signed by Red Hat, Inc. for security. Our key
is available at:
http://www.redhat.com/about/contact/pgpkey.html
You can verify each package with the following command:
rpm --checksig <filename>
If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
rpm --checksig --nogpg <filename>
7. References:
http://www.kb.cert.org/vuls/id/803539
http://online.securityfocus.com/bid/5100
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0651
Copyright(c) 2000, 2001, 2002 Red Hat, Inc.
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