From kisza@UNICORN.SCH.BME.HU Thu Sep 16 13:26:09 1999 From: Kis-Szabo Andras Resent-From: mea culpa To: BUGTRAQ@SECURITYFOCUS.COM Resent-To: jericho@attrition.org Date: Wed, 8 Sep 1999 23:55:20 +0200 Subject: Sun Security Bulletin #00189 (fwd) -- Kis-Szabo Andras Technical University of Budapest -----------------------------/ Schonherz Zoltan Dormitory kisza@sch.bme.hu /-------------------------------3OO--->>>.Info Fingerprint = 97 D7 32 CE F9 74 5C A0 E5 F4 09 29 67 9F A8 78 ---------- Forwarded message ---------- Date: Wed, 8 Sep 1999 11:20:55 -0700 From: Sun Security Coordination Team To: CWS@sunsc.Eng.Sun.COM Subject: Sun Security Bulletin #00189 -----BEGIN PGP SIGNED MESSAGE----- ________________________________________________________________________________ Sun Microsystems, Inc. Security Bulletin Bulletin Number: #00189 Date: September 8, 1999 Cross-Ref: Title: LC_MESSAGES ________________________________________________________________________________ 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 and 2.6 (SunOS(tm) 5.7 and 5.6) which relate to a buffer overflow vulnerability involving the LC_MESSAGES environment variable. Sun recommends that you install the patches listed in section 4 immediately on systems running SunOS 5.7 and 5.6. 2. Who is Affected Vulnerable: SunOS 5.7, 5.7_x86, 5.6, 5.6_x86. Not vulnerable: All other supported versions of SunOS. 3. Understanding the Vulnerability In libc, the LC_MESSAGES environment variable affects the behavior of messaging functions. A vulnerability exists where a buffer overflow could be exploited to gain root access. The patches listed in this bulletin address both libc and the ufsrestore and rcp binaries which are statically linked against libc. 4. List of Patches The following patches are available in relation to the above problem. SunOS version Patch ID _____________ _________ 5.7 106541-07 5.7 ufsrestore 106793-03 5.7 rcp 107972-01 5.7_x86 106542-07 5.7_x86 ufsrestore 106794-03 5.7_x86 rcp 107973-01 5.6 105210-24 5.6 ufsrestore 105722-03 5.6 rcp 107991-01 5.6_x86 105211-22 5.6_x86 ufsrestore 105723-03 5.6_x86 rcp 107992-01 _______________________________________________________________________________ APPENDICES A. Patches listed in this bulletin are available to all Sun customers at: http://sunsolve.sun.com/pub-cgi/show.pl?target=patches/patch-license&nav=pub-patches 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/pub-cgi/secBulletin.pl 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 Solution Center - 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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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 iQCVAwUBN9ajGLdzzzOFBFjJAQH6UAP/TeqiirvcgwPXeDGhVZ+zhbtllptxwCto g9h++H1M8UN0WC5170OGNlGWTHqxVD3JwlIGwlev6ydvnDJCJg4ADXNnX7bW00rs B3lPPl/s82iTeUPV5CGN9S0ZNIb0H9IlsN8v/dZCLGv9+3SryF1WO3kPAeOJIzsJ C+AYwQ7ykEo= =k8ch -----END PGP SIGNATURE-----