-----BEGIN PGP SIGNED MESSAGE----- ________________________________________________________________________________ Sun Microsystems, Inc. Security Bulletin Bulletin Number: #00194 Date: March 29, 2000 Cross-Ref: CERT Advisory CA-99-14 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. Bulletin Topics Sun announces the release of patches for Solaris(tm) 7 which relate to four vulnerabilities in BIND reported in CERT Advisory CA-99-14. Sun recommends that you install the patches listed in section 4 immediately on systems running Solaris 7 with Sun's implementation of BIND. 2. Who is Affected Vulnerable: Solaris 7 running Sun's implementation of BIND Not vulnerable: All other supported versions of Solaris. 3. Understanding the Vulnerabilities The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. CERT Advisory CA-99-14 describes six vulnerabilities in certain versions of BIND. Solaris 7 is vulnerable to the following four vulnerabilities reported in the CERT advisory. Vulnerability #3: the "so_linger bug" Remote attackers may degrade the performance of named. Vulnerability #4: the "fdmax bug" Remote attackers may cause named to crash. Vulnerability #5: the "maxdname bug" Remote attackers may cause named to crash. Vulnerability #6: the "naptr bug" Remote attackers may cause named to crash. The CERT advisory CA-99-14 is available at: ftp://info.cert.org/pub/cert_advisories/CA-99-14-bind.txt No other supported versions of Solaris (including Solaris 8) are affected by any of the six vulnerabilities reported in the CERT advisory. 4. List of Patches The following patches are available in relation to the above problems. Solaris version Patch ID _______________ _________ Solaris 7 (SPARC) 107018-02 106938-03 Solaris 7 (Intel) 107019-02 106939-03 _______________________________________________________________________________ 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 iQCVAwUBOOJQKrdzzzOFBFjJAQHbJAQAmcXk9+7E0mB5ybqEK9eKjbtqxEfkwcqF sGMNYLMpcQEM67uWzPfZzn5BB+FMKfYJjF0cZlBOMgt7zVWakIZxq7NoW3Qu3XV6 GLjoe0gqNAyuDrDZBiHinPhnFh5Url4OK7T9+DTrorJry7KrmD5t+YRjEUN3Nqro MDlDgR9fAu0= =cDAV -----END PGP SIGNATURE-----