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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2000.096 -- HP SECURITY BULLETIN HPSBUX0005-114 Sec. Vulnerability in BIND 18 May 2000 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: BIND Vendor: Hewlett-Packard Operating System: HP-UX releases 10.XX HP-UX releases 11.XX Platform: HP9000 Series 700/800 Impact: Root Compromise Denial of Service Access Required: Remote Ref: ESB-1999.170 ESB-1999.181 ESB-2000.061 - --------------------------BEGIN INCLUDED TEXT-------------------- Document ID: HPSBUX0005-114 Date Loaded: 20000516 Title: Sec. Vulnerability in BIND - ------------------------------------------------------------------------- HEWLETT-PACKARD SECURITY BULLETIN: #00114, 16 May 2000 - ------------------------------------------------------------------------- The information in the following Security Bulletin should be acted upon as soon as possible. Hewlett Packard 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. - ------------------------------------------------------------------------- PROBLEM: Security vulnerability in the BIND executable PLATFORM: HP9000 Series 700/800 running HP-UX releases 10.XX & 11.XX. DAMAGE: May allow remote users to gain root access or to disrupt normal operation on the name server. SOLUTION: Install patches (below) which upgrade BIND to version 4.9.7, or upgrade to version 8.1.2. AVAILABILITY: All patches are available now. - ------------------------------------------------------------------------- I. A. Background The CERT advisory (CA-99-14) detailed several BIND vulnerabilities. The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. Complete details can be found at: ftp://info.cert.org/pub/cert_advisories/CA-99-14-bind.txt B. Recommended solution Apply the appropriate patches for BIND components noted below. s700_800 HP-UX release 10.01, 10.10 & 10.20 BIND 4.9.7 PHNE_20618 s700_800 HP-UX release 10.24 (VVOS) BIND 4.9.7 PHNE_21288 s700_800 HP-UX release 11.00 BIND 4.9.7 PHNE_20619 s700_800 HP-UX release 11.04 (VVOS) BIND 4.9.7 PHNE_21090 The bind revision 8.1.2 upgrade is available for HP-UX 11.00 via a web page: http://www.software.hp.com/products/DNS_BIND/index.html Registration for the download is necessary, once done, there is a link for installation instructions underneath the download button. You have the an option of staying with bind 4.X or moving to bind 8.X. The security holes mentioned in CERT advisory CA-99-14 have been fixed in both versions. Bind 8.X provides many additional features. This is the latest version featuring full support for negative caching (RFC2308) the clarifications in RFC 2181, DNS security extensions in RFC 2065, multiple virtual name servers, split DNS via "forward" zones, and general enhancements. Please reference the web page above for full details. NOTE: There are some migration issues that need to be addressed, but scripts are available which can ease the transition. C. To subscribe to automatically receive future NEW HP Security Bulletins from the HP IT Resource Center via electronic mail, do the following: Use your browser to get to the HP IT Resource Center page at: http://itrc.hp.com Under the heading "Maintenance and Support" click on the link "More..." and at the very bottom of that next page, click on "Support Information Digests" underneath the heading NOTIFICATIONS. Now login on the IT Resource Center Welcome page, using your user ID and password (or register for one). You will need to login in order to gain access to many areas of the ITRC. Remember to save the User ID assigned to you, and your password. Once you are on the Support Information Digests Main page, follow the instructions there. To -subscribe- to future HP Security Bulletins or other Technical Digests, click the check box (in the left column) for the appropriate digest and then click the "Update Subscriptions" button at the bottom of the page. To -review- bulletins already released from our archive, simply click on the link near the top of the list entitled "HP Security Bulletins Archive." or To -gain access- to the Security Patch Matrix, select the link for "The Security Bulletins Archive". Once in the archive the third link is to our current Security Patch Matrix. Updated daily, this matrix categorizes security patches by platform/OS release, and by bulletin topic. The security patch matrix is also available via anonymous ftp: us-ffs.external.hp.com ~ftp/export/patches/hp-ux_patch_matrix D. To report new security vulnerabilities, send email to security-alert@hp.com Please encrypt any exploit information using the security-alert PGP key, available from your local key server, or by sending a message with a -subject- (not body) of 'get key' (no quotes) to security-alert@hp.com. Permission is granted for copying and circulating this bulletin to Hewlett-Packard (HP) customers (or the Internet community) for the purpose of alerting them to problems, if and only if, the bulletin is not edited or changed in any way, is attributed to HP, and provided such reproduction and/or distribution is performed for non-commercial purposes. Any other use of this information is prohibited. HP is not liable for any misuse of this information by any third party. ________________________________________________________________________ - -----End of Document ID: HPSBUX0005-114-------------------------------------- - --------------------------END INCLUDED TEXT-------------------- This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to use any or all of this information is the responsibility of each user or organisation, and should be done so in accordance with site policies and procedures. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the original authors to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/Information/advisories.html If you believe that your system has been compromised, contact AusCERT or your representative in FIRST (Forum of Incident Response and Security Teams). Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for emergencies. -----BEGIN PGP SIGNATURE----- Version: 2.6.3i Charset: noconv Comment: ftp://ftp.auscert.org.au/pub/auscert/AUSCERT_PGP.key iQCVAwUBOXXSlyh9+71yA2DNAQGjMwP+NHvPs9Sl1dVRU1ET66RJSN/wlOVaZDCw blz6dujIEmv/gJPlt+OUe6JwILrgFA3pn1KveP1lAeYYKGYgPQh2h6hmPnXXo2dn dXABeIIkUVPrKCXUboWQJfpRmhuYHTiQWcdYf8TUpTT6BXb/9AsYWMVaad1LpZJ6 u6mBmhQU7po= =mPO7 -----END PGP SIGNATURE-----