__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN File Security Update [Red Hat RHSA-2007:0391-3] May 30, 2007 18:00 GMT Number R-250 ______________________________________________________________________________ PROBLEM: There is an integer underflow flaw in the file utility. PLATFORM: Red Hat Desktop (v. 4) Red Hat Enterprise Linux (v. 5 server) Red Hat Enterprise Linux AS, ES, WS (v. 4) Red Hat Enterprise Linux Desktop (v. 5 client) DAMAGE: An attacker could create a carefully crafted file which, if examined by a victim using the file utility, could lead to arbitrary code execution. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. An attacker could create a carefully ASSESSMENT: crafted file which, if examined by a victim using the file utility, could lead to arbitrary code execution. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/r-250.shtml ORIGINAL BULLETIN: https://rhn.redhat.com/errata/RHSA-2007-0391.html CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2007-2799 ______________________________________________________________________________ [***** Start Red Hat RHSA-2007:0391-3 *****] Moderate: file security update Advisory: RHSA-2007:0391-3 Type: Security Advisory Severity: Moderate Issued on: 2007-05-30 Last updated on: 2007-05-30 Affected Products: Red Hat Desktop (v. 4) Red Hat Enterprise Linux (v. 5 server) Red Hat Enterprise Linux AS (v. 4) Red Hat Enterprise Linux Desktop (v. 5 client) Red Hat Enterprise Linux ES (v. 4) Red Hat Enterprise Linux WS (v. 4) OVAL: com.redhat.rhsa-20070391.xml CVEs (cve.mitre.org): CVE-2007-2799 Details An updated file package that fixes a security flaw is now available for Red Hat Enterprise Linux 4 and 5. This update has been rated as having moderate security impact by the Red Hat Security Response Team. The file command is used to identify a particular file according to the type of data contained by the file. The fix for CVE-2007-1536 introduced a new integer underflow flaw in the file utility. An attacker could create a carefully crafted file which, if examined by a victim using the file utility, could lead to arbitrary code execution. (CVE-2007-2799) This issue did not affect the version of the file utility distributed with Red Hat Enterprise Linux 2.1 or 3. Users should upgrade to this erratum package, which contain a backported patch to correct this issue. Solution Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188 Updated packages Red Hat Desktop (v. 4) -------------------------------------------------------------------------------- SRPMS: file-4.10-3.0.2.el4.src.rpm b965edbfc8969978c85c0523d8d66e86 IA-32: file-4.10-3.0.2.el4.i386.rpm 75f00f87378cd18b54aedb769f794301 x86_64: file-4.10-3.0.2.el4.x86_64.rpm d015b5bc4eb50598633b251145cfc5ad Red Hat Enterprise Linux (v. 5 server) -------------------------------------------------------------------------------- SRPMS: file-4.17-9.0.1.el5.src.rpm e5f3056e10d0abf9ab2d4734d2c40df6 IA-32: file-4.17-9.0.1.el5.i386.rpm 1bca600f3b0de26a2725d6f4e7a72383 IA-64: file-4.17-9.0.1.el5.ia64.rpm 2d7e954147b37218beafcebf771865b3 PPC: file-4.17-9.0.1.el5.ppc.rpm 8051227058fb32153ce838aea9f36268 s390x: file-4.17-9.0.1.el5.s390x.rpm d9ccaf596792a8487e1ef137cb6db3f3 x86_64: file-4.17-9.0.1.el5.x86_64.rpm 1750ba7e71efd10cd3883b2de825f896 Red Hat Enterprise Linux AS (v. 4) -------------------------------------------------------------------------------- SRPMS: file-4.10-3.0.2.el4.src.rpm b965edbfc8969978c85c0523d8d66e86 IA-32: file-4.10-3.0.2.el4.i386.rpm 75f00f87378cd18b54aedb769f794301 IA-64: file-4.10-3.0.2.el4.ia64.rpm 8783b9863d2ed05c508d92b23503f920 PPC: file-4.10-3.0.2.el4.ppc.rpm dd47db6fa389f2ff5928250893a7be8b s390: file-4.10-3.0.2.el4.s390.rpm b546e7c44fb7eda2e7be1d1d72433799 s390x: file-4.10-3.0.2.el4.s390x.rpm e7f435b24698bc2317dd9b5899cb1b90 x86_64: file-4.10-3.0.2.el4.x86_64.rpm d015b5bc4eb50598633b251145cfc5ad Red Hat Enterprise Linux Desktop (v. 5 client) -------------------------------------------------------------------------------- SRPMS: file-4.17-9.0.1.el5.src.rpm e5f3056e10d0abf9ab2d4734d2c40df6 IA-32: file-4.17-9.0.1.el5.i386.rpm 1bca600f3b0de26a2725d6f4e7a72383 x86_64: file-4.17-9.0.1.el5.x86_64.rpm 1750ba7e71efd10cd3883b2de825f896 Red Hat Enterprise Linux ES (v. 4) -------------------------------------------------------------------------------- SRPMS: file-4.10-3.0.2.el4.src.rpm b965edbfc8969978c85c0523d8d66e86 IA-32: file-4.10-3.0.2.el4.i386.rpm 75f00f87378cd18b54aedb769f794301 IA-64: file-4.10-3.0.2.el4.ia64.rpm 8783b9863d2ed05c508d92b23503f920 x86_64: file-4.10-3.0.2.el4.x86_64.rpm d015b5bc4eb50598633b251145cfc5ad Red Hat Enterprise Linux WS (v. 4) -------------------------------------------------------------------------------- SRPMS: file-4.10-3.0.2.el4.src.rpm b965edbfc8969978c85c0523d8d66e86 IA-32: file-4.10-3.0.2.el4.i386.rpm 75f00f87378cd18b54aedb769f794301 IA-64: file-4.10-3.0.2.el4.ia64.rpm 8783b9863d2ed05c508d92b23503f920 x86_64: file-4.10-3.0.2.el4.x86_64.rpm d015b5bc4eb50598633b251145cfc5ad (The unlinked packages above are only available from the Red Hat Network) Bugs fixed (see bugzilla for more information) 241022 - CVE-2007-2799 file integer overflow 241026 - CVE-2007-2799 file integer overflow 241027 - CVE-2007-2799 file integer overflow References http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2799 http://www.redhat.com/security/updates/classification/#moderate -------------------------------------------------------------------------------- These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from: https://www.redhat.com/security/team/key/#package The Red Hat security contact is secalert@redhat.com. More contact details at http://www.redhat.com/security/team/contact/ [***** End Red Hat RHSA-2007:0391-3 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Red Hat for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. CIAC can be contacted at: Voice: +1 925-422-8193 (7x24) FAX: +1 925-423-8002 STU-III: +1 925-423-2604 E-mail: ciac@ciac.org Previous CIAC notices, anti-virus software, and other information are available from the CIAC Computer Security Archive. World Wide Web: http://www.ciac.org/ Anonymous FTP: ftp.ciac.org PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing communities receive CIAC bulletins. If you are not part of these communities, please contact your agency's response team to report incidents. Your agency's team will coordinate with CIAC. The Forum of Incident Response and Security Teams (FIRST) is a world-wide organization. A list of FIRST member organizations and their constituencies can be obtained via WWW at http://www.first.org/. This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes. LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC) R-241: CA Anti-Virus for the Enterprise Securitiy Notice R-242: Security Vulnerability in Sun Remote Services (SRS) Net Connect Software R-243: Tomcat Security Update R-244: OPeNDAP Vulnerability CIACTech07-001: MOICE - Microsoft Office Isolated Conversion Environment R-245: Vulnerability in Crypto Library R-246: Multiple Vulnerabilities in Cisco IOS while Processing SSL Packets R-247: Apple Security Update 2007-005 R-248: Security Vulnerabilities in the SOCKS Module of Sun Java System Web Proxy R-249: Avast! Antivirus Vulnerability