===================================================================== CERT-Renater Note d'Information No. 2006/VULN082 _____________________________________________________________________ DATE : 02/03/2006 HARDWARE PLATFORM(S) : / OPERATING SYSTEM(S) : Solaris 10 running PERL. ====================================================================== Sun(sm) Alert Notification * Sun Alert ID: 102192 * Synopsis: Integer Overflow Vulnerability in Perl May Lead to Application Crash or Code Execution * Category: Security * Product: Solaris 10 Operating System * BugIDs: 6368763 * Avoidance: Patch * State: Resolved * Date Released: 28-Feb-2006 * Date Closed: 28-Feb-2006 * Date Modified: 1. Impact An unprivileged local user may be able to cause a Perl application to crash or possibly execute arbitrary code with the privileges of the Perl application due to an integer overflow in the Perl_sv_vcatpvfn() function. Being able to crash a Perl application is a type of Denial of Service (DoS). If the Perl application accepts input from remote users then the impact can be extended to include remote unprivileged users. This issue is referenced in the following document: CVE-2005-3962 at: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3962 2. Contributing Factors This issue can occur in the following releases: SPARC Platform * Solaris 10 without patch 119985-02 x86 Platform * Solaris 10 without patch 122082-01 Note: Solaris 8 and Solaris 9 are not affected by this issue. This issue only affects Perl versions 5.8.0 and later. Solaris 10 ships with Perl 5.6.1 in "/usr/perl5/5.6.1/" and Perl 5.8.4 in "/usr/perl5/5.8.4/". The patches for this issue only apply to Perl 5.8.4. 3. Symptoms There are no reliable symptoms that would indicate the described issue has been exploited to execute arbitrary commands with the privileges of the affected Perl application on a host. The symptoms of the Denial of Service would be the Perl application no longer running. 4. Relief/Workaround There is no workaround. Please see the "Resolution" section below. 5. Resolution This issue is addressed in the following releases: SPARC Platform * Solaris 10 with patch 119985-02 or later x86 Platform * Solaris 10 with patch 122082-01 or later This Sun Alert notification is being provided to you on an "AS IS" basis. This Sun Alert notification may contain information provided by third parties. The issues described in this Sun Alert notification may or may not impact your system(s). Sun makes no representations, warranties, or guarantees as to the information contained herein. ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN. This Sun Alert notification contains Sun proprietary and confidential information. It is being provided to you pursuant to the provisions of your agreement to purchase services from Sun, or, if you do not have such an agreement, the Sun.com Terms of Use. This Sun Alert notification may only be used for the purposes contemplated by these agreements. Copyright 2000-2006 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, CA 95054 U.S.A. All rights reserved ====================================================================== ========================================================= Les serveurs de référence du CERT-Renater http://www.urec.fr/securite http://www.cru.fr/securite http://www.renater.fr ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 151 bd de l'Hopital | fax : 01-53-94-20-41 + + 75013 Paris | email: certsvp@renater.fr + =========================================================