-----BEGIN PGP SIGNED MESSAGE----- ________________________________________________________________________________ Sun Microsystems, Inc. Security Bulletin Bulletin Number: #00204 Date: June 26, 2001 Cross-Ref: CERT Advisory CA-2001-02 Title: BIND ________________________________________________________________________________ The information contained in this Security Bulletin is provided "AS IS." Sun makes no warranties of any kind whatsoever with respect to the information contained in this Security Bulletin. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY WARRANTY OF NON-INFRINGEMENT OR IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE HEREBY DISCLAIMED AND EXCLUDED TO THE EXTENT ALLOWED BY APPLICABLE LAW. IN NO EVENT WILL SUN MICROSYSTEMS, INC. BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES HOWEVER CAUSED AND REGARDLESS OF ANY THEORY OF LIABILITY ARISING OUT OF THE USE OF OR INABILITY TO USE THE INFORMATION CONTAINED IN THIS SECURITY BULLETIN, EVEN IF SUN MICROSYSTEMS, INC. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. If any of the above provisions are held to be in violation of applicable law, void, or unenforceable in any jurisdiction, then such provisions are waived to the extent necessary for this disclaimer to be otherwise enforceable in such jurisdiction. ________________________________________________________________________________ 1. Bulletins Topics Sun announces the release of patches for Solaris(tm) 8, 7, 2.6, 2.5.1, 2.5, and 2.4 (SunOS(tm) 5.8, 5.7, 5.6, 5.5.1, 5.5, and 5.4) which relate to several vulnerabilities reported in CERT CA-2001-02. Sun recommends that you install the patches listed in section 4 immediately on systems running SunOS 5.8, 5.7, 5.6, 5.5.1, 5.5, and 5.4 with Sun's implementation of BIND. 2. Who is Affected Vulnerable: Systems running Sun's implementation of BIND (in.named) on SunOS 5.8, 5.8_x86, 5.7, 5.7_x86, 5.6, 5.6_x86, 5.5.1, 5.5.1_x86, 5.5, 5.5_x86, 5.4, and 5.4_x86 3. Understanding the Vulnerability The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. CERT Advisory CA-2001-02 describes four vulnerabilities in certain versions of BIND. The four vulnerabilities are listed below along with the affected versions of Solaris and the version of BIND shipped with each version of Solaris. VU#196945 - ISC BIND 8 contains buffer overflow in transaction signature (TSIG) handling code Solaris 8 04/01* (BIND 8.2.2-p5) Solaris 8 Maintenance Update 4* (BIND 8.2.2-p5) VU#572183 - ISC BIND 4 contains buffer overflow in nslookupComplain() Solaris 2.6 (BIND 4.9.4-P1) Solaris 2.5.1** (BIND 4.9.3) VU#868916 - ISC BIND 4 contains input validation error in nslookupComplain() Solaris 2.6 (BIND 4.9.4-P1) Solaris 2.5.1** (BIND 4.9.3) VU#325431 - Queries to ISC BIND servers may disclose environment variables Solaris 2.4, 2.5 (BIND 4.8.3) Solaris 2.5.1** (BIND 4.9.3 and BIND 4.8.3) Solaris 2.6 (BIND 4.9.4-P1) Solaris 7 and 8 (BIND 8.1.2) * To determine if one is running Solaris 8 04/01 or Solaris 8 Maintenance Update 4, check the contents of the /etc/release file. ** Solaris 2.5.1 ships with BIND 4.8.3 but patch 103663-01 for SPARC and 103664-01 for x86 upgrades BIND to 4.9.3, current revision for each patch is -17. CERT Advisory CA-2001-02 is available at: http://www.cert.org/advisories/CA-2001-02.html 4. List of Patches The following patches are available in relation to the above problems. OS Version Patch ID __________ _________ SunOS 5.8 109326-04 SunOS 5.8_x86 109327-04 SunOS 5.7 107018-03 SunOS 5.7_x86 107019-03 SunOS 5.6 105755-10 SunOS 5.6_x86 105756-10 SunOS 5.5.1 103663-16 SunOS 5.5.1_x86 103664-16 SunOS 5.5 103667-12 SunOS 5.5_x86 103668-12 SunOS 5.4 102479-14 SunOS 5.4_x86 102480-12 _______________________________________________________________________________ APPENDICES A. Patches listed in this bulletin are available to all Sun customers at: http://sunsolve.sun.com/securitypatch B. Checksums for the patches listed in this bulletin are available at: ftp://sunsolve.sun.com/pub/patches/CHECKSUMS C. Sun security bulletins are available at: http://sunsolve.sun.com/security D. Sun Security Coordination Team's PGP key is available at: http://sunsolve.sun.com/pgpkey.txt E. 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This Security Bulletin may be reproduced and distributed, provided that this Security Bulletin is not modified in any way and is attributed to Sun Microsystems, Inc. and provided that such reproduction and distribution is performed for non-commercial purposes. -----BEGIN PGP SIGNATURE----- Version: 2.6.2 iQCVAwUBOzjViLdzzzOFBFjJAQGSggQAnTTJZNe7g9UeNS1jyx2VpTd3IJLHcHiV 8qECtg3Gn6mChv0P7io7DUKvAl1umjq3T7Qc0BgZO/8oCdgl+2Dsw2MuS/howcds i8XAvhRrRGFNk1WRjhVgBKANrSVJINxHnbzHAzwygSSxPAlGdvb/GsQ+doULIvbt V2kmsU5T1+8= =UDSW -----END PGP SIGNATURE-----