Test ID:	1.3.6.1.4.1.25623.1.0.881661
Category:	CentOS Local Security Checks
Title:	CentOS Update for gdb CESA-2013:0522 centos6
Summary:	The remote host is missing an update for the 'gdb'; package(s) announced via the referenced advisory.
Description:	Summary: The remote host is missing an update for the 'gdb' package(s) announced via the referenced advisory. Vulnerability Insight: The GNU Debugger (GDB) allows debugging of programs written in C, C++, Java, and other languages by executing them in a controlled fashion and then printing out their data. GDB tried to auto-load certain files (such as GDB scripts, Python scripts, and a thread debugging library) from the current working directory when debugging programs. This could result in the execution of arbitrary code with the user's privileges when GDB was run in a directory that has untrusted content. (CVE-2011-4355) With this update, GDB no longer auto-loads files from the current directory and only trusts certain system directories by default. The list of trusted directories can be viewed and modified using the 'show auto-load safe-path' and 'set auto-load safe-path' GDB commands. Refer to the GDB manual, linked to in the References, for further information. This update also fixes the following bugs: * When a struct member was at an offset greater than 256 MB, the resulting bit position within the struct overflowed and caused an invalid memory access by GDB. With this update, the code has been modified to ensure that GDB can access such positions. (BZ#795424) * When a thread list of the core file became corrupted, GDB did not print this list but displayed the 'Cannot find new threads: generic error' error message instead. With this update, GDB has been modified and it now prints the thread list of the core file as expected. (BZ#811648) * GDB did not properly handle debugging of multiple binaries with the same build ID. This update modifies GDB to use symbolic links created for particular binaries so that debugging of binaries that share a build ID now proceeds as expected. Debugging of live programs and core files is now more user-friendly. (BZ#836966) All users of gdb are advised to upgrade to these updated packages, which contain backported patches to correct these issues. Affected Software/OS: gdb on CentOS 6 Solution: Please install the updated packages. CVSS Score: 6.9 CVSS Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2011-4355 1028191 http://www.securitytracker.com/id/1028191 RHSA-2013:0522 http://rhn.redhat.com/errata/RHSA-2013-0522.html [gdb-patches] 20110429 Re: [RFA] Add $pdir as entry for libthread-db-search-path. http://sourceware.org/ml/gdb-patches/2011-04/msg00559.html [gdb-patches] 20110506 Re: [RFA] Add $pdir as entry for libthread-db-search-path. http://sourceware.org/ml/gdb-patches/2011-05/msg00202.html http://sourceware.org/cgi-bin/cvsweb.cgi/~checkout~/src/gdb/NEWS?content-type=text/x-cvsweb-markup&cvsroot=src
Copyright	Copyright (C) 2013 Greenbone AG

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