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Digest Name: daily HP-UX security bulletins digest
    Created: Mon Aug 19 3:00:03 PDT 2002

Table of Contents:

Document ID Title
--------------- -----------
HPSBUX0208-209 Sec. Vulnerability in DNS resolver libraries (rev. 1)

The documents are listed below.
-------------------------------------------------------------------------------


Document ID: HPSBUX0208-209
Date Loaded: 20020811
      Title: Sec. Vulnerability in DNS resolver libraries (rev. 1)

TEXT

 -----------------------------------------------------------------
 **REVISED 01**
 HEWLETT-PACKARD COMPANY SECURITY BULLETIN: HPSBUX0208-209
 Originally issued: 12 Aug 2002
 Last revised: 19 Aug 2002
 SSRT2316 Security Vulnerability in DNS resolver libraries
 -----------------------------------------------------------------

The information in the following Security Bulletin should be
acted upon as soon as possible. Hewlett-Packard Company will
not be liable for any consequences to any customer resulting
from customer's failure to fully implement instructions in this
Security Bulletin as soon as possible.

 ------------------------------------------------------------------
**REVISED 01**

PROBLEM: Potential buffer overflows in DNS resolver libraries.

PLATFORM: HP9000 Series 700/800 running HP-UX releases 11.00 and
          11.11 (11i) with products using DNS resolver libraries,
          including, but not limited to, BINDv920.INETSVCS-BIND,
-->> Bind-8.1.2. and libnss_dns.

DAMAGE: Potential unauthorized access, denial of service.

SOLUTION: Until a product upgrade is available, download and
          install the preliminary fix, BIND920ver2.depot.
-->> Download and install the preliminary versions of
-->> the applicable patch.

MANUAL ACTIONS: Install BIND920ver2.depot.
-->> Install upgrade_bind812_v4.depot on 11.00.
-->> Install preliminary patch.

AVAILABILITY: The depot is available now.
-->> The preliminary patches are available only
-->> from the ftp site (below) at this time.
               This bulletin will be will be updated when a
               product upgrade is available. This bulletin
               will also be updated when solutions for
               other vulnerable products are available.
               
 ------------------------------------------------------------------
**REVISED 01**
 A. Background
    CERT advisory CA-2002-19 reports a buffer overflow
    vulnerability which may affect products on HP-UX release
    11.00 and release 11.11 (11i). The vulnerable products
    include BINDv920.INETSVCS-BIND. This bulletin will be
    updated when solutions for other vulnerable products are
    available.
-->> Bind-8.1.2 is vulnerable.
-->> The libnss_dns.1 library is vulnerable.

 B. Recommended solution

**REVISED 01**
-->> The following preliminary fixes are available:

-->> HP-UX 11.11

-->> BIND920ver2.depot for 11.11
-->> PHNE_25140.depot s700_800 11.11 Bind-8.1.2 patch
-->> PHNE_26747.depot s700_800 11.11 libnss_dns

-->> HP-UX 11.00

-->> upgrade_bind812_v4.depot for 11.00
-->> PHNE_27646.depot s700_800 11.00 libnss_dns

-->>I. Until a product upgrade is available, download and install
       the BIND920ver2.depot.

      1. Download BIND920ver2.depot.gz from the ftp site.
         This file is temporary and will be deleted when a
         product upgrade is available from itrc.hp.com.

        System: hprc.external.hp.com (192.170.19.51)
        Login: bind
        Password: bind1

        FTP Access: hprc.external.hp.com/">ftp://bind:bind1hprc.external.hp.com/
                or: 192.170.19.51/">ftp://bind:bind1192.170.19.51/

        file: BIND920ver2.depot.gz

        Note: There is an ftp defect in IE5 that may result in
               a browser hang. To work around this:
        - Select Tools -> Internet Options -> Advanced
        - Un-check the option: [ ] Enable folder view for FTP sites

      2. Copy the BIND920ver2.depot.gz file to a protected
         directory and unpack it.
         If you wish to verify the md5 sum please refer to:

               HPSBUX9408-016
               Patch sums and the MD5 program

          The md5 sum for BIND920ver2.depot is:

  MD5 (BIND920ver2.depot) = b5c7a1d3c18c83d015edb56da2eb0080
 
          The cksum output is:

  1311390197 20582400 BIND920ver2.depot

      3. Install BIND920ver2.depot using swinstall.

**REVISED 01**
-->>II. Until a product upgrade is available, download and install
-->> the upgrade_bind812_v4.depot for 11.00. The instructions
-->> for BIND920ver2.depot above apply.

-->> file: upgrade_bind812_v4.depot.gz

-->> MD5 (upgrade_bind812_v4.depot) =
-->> 45edb888017394aa8a206fb8ac292a04
-->> cksum upgrade_bind812_v4.depot
-->> 330647597 1116160 upgrade_bind812_v4.depot

**REVISED 01**
-->> III. Download and install the appropriate preliminary patch
-->> from the ftp site listed above:

-->> PHNE_27646.depot s700_800 11.00 libnss_dns DNS backend patch
-->> PHNE_26747.depot s700_800 11.11 libnss_dns DNS backend patch
-->> PHNE_25140.depot s700_800 11.11 Bind-8.1.2 patch

-->> MD5 (PHNE_27646.depot) = f15f7f0dd5098b55df363007197b9fcb
-->> cksum 891782754 61440 PHNE_27646.depot

-->> MD5 (PHNE_27647.depot) = e110ecb2a69bd3b669f993c552e80c0c
-->> cksum 2185197379 102400 PHNE_27647.depot

-->> MD5 (PHNE_25140.depot) = 9c729b48c146dd636941b5a6a2e65ae1
-->> cksum 1959995259 655360 PHNE_25140.depot

 C. To subscribe to automatically receive future NEW HP Security
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    displayProductInfo.pl?productNumber=B6834AA"

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 D. To report new security vulnerabilities, send email to

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    Please encrypt any exploit information using the
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    Permission is granted for copying and circulating this
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 ________________________________________________________________
-----End of Document ID: HPSBUX0208-209--------------------------------------

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