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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2000.192 -- Sun Security Bulletin #00195 lp 3 August 2000 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: lp Vendor: Sun Microsystems Operating System: Solaris 8, 7, and 2.6 Impact: Root Compromise Access Required: Local - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- ________________________________________________________________________________ Sun Microsystems, Inc. Security Bulletin Bulletin Number: #00195 Date: August 2, 2000 Cross-Ref: Title: lp ________________________________________________________________________________ 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, and 2.6 (SunOS(tm) 5.8, 5.7, and 5.6) which relate to buffer overflow vulnerabilities in libprint.so.2 and patches for Solaris(tm) 7 and 2.6 which relate to a buffer overflow vulnerability in /usr/lib/lp/bin/netpr. Sun recommends that you install the patches listed in section 4 immediately on systems running SunOS 5.8, 5.7, and 5.6. 2. Who is Affected libprint.so.2: Vulnerable: SunOS 5.7, 5.7_x86, 5.6, and 5.6_x86 Not vulnerable: All other supported versions of SunOS. /usr/lib/lp/bin/netpr: Vulnerable: SunOS 5.8, 5.8_x86 5.7, 5.7_x86, 5.6, and 5.6_x86 Not vulnerable: All other supported versions of SunOS. 3. Understanding the Vulnerability The lpset utility sets printing configuration information in the system configuration databases. A buffer overflow vulnerability has been discovered in libprint.so.2 which may be exploited by a local attacker through lpset to gain root access. A buffer overflow vulnerability was also discovered in /usr/lib/lp/bin/netpr which may be exploited by a local attacker to gain root access. 4. List of Patches The following patches are available in relation to the above problems. OS Version Patch ID __________ _________ SunOS 5.8 109320-01 SunOS 5.8_x86 109321-01 SunOS 5.7 107115-05 SunOS 5.7_x86 107115-05 SunOS 5.6 106235-06 SunOS 5.6_x86 106236-06 _______________________________________________________________________________ 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. To report or inquire about a security problem with Sun software, contact one or more of the following: - Your local Sun answer centers - Your representative computer security response team, such as CERT - Sun Security Coordination Team. Send email to: security-alert@sun.com F. 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To subscribe, supply the following in the subject line (not body): subscribe cws your-email-address Note that your-email-address should be substituted by your email address. unsubscribe Sender is removed from the CWS mailing list. ________________________________________________________________________________ Copyright 2000 Sun Microsystems, Inc. All rights reserved. Sun, Sun Microsystems, Solaris and SunOS are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries. 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: PGP 6.5.2 iQCVAwUBOYhEX7dzzzOFBFjJAQG4dwP+PJirlMiWiAzpp8bj6TOAg7TEqFFk7uFa AHgBHKC8K6FPp7f9WkXjEmYbKkNn8yiU2sC8en3spIzWFUC15j7HuUzYMQPo9Ro2 Sa8iHmkU/5+JPBrBoJ6bNp9PqKn1dp0iudHIMF1orez+u1WJzMmh+wAYUIPi4t/u TTgMY2k0URA= =7Zt3 - -----END PGP SIGNATURE----- - --------------------------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). 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