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Linux Advisory Watch: November 17th 2006 Print E-mail
User Rating:      How can I rate this item?
Source: LinuxSecurity.com Contributors - Posted by Benjamin D. Thomas   
Linux Advisory Watch This week, advisories were released for phpmyadmin, bugzilla, trac, pdns, openssh, firefox, netkit, openssh, graphcsmagick, gnuplot, ical, webmin, opensc, bind, libpng, syslinux, pxelinux, doxygen, chromium, wireshark, php, nss_ldap, elinks, ImageMagick, asterisk, texinfo, and avahi. The distributors include Debian, Fedora, Gentoo, Mandriva, Red Hat, Slackware, SuSE, and Ubuntu.


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LinuxSecurity.com Feature Extras:

    RFID with Bio-Smart Card in Linux - In this paper, we describe the integration of fingerprint template and RF smart card for clustered network, which is designed on Linux platform and Open source technology to obtain biometrics security. Combination of smart card and biometrics has achieved in two step authentication where smart card authentication is based on a Personal Identification Number (PIN) and the card holder is authenticated using the biometrics template stored in the smart card that is based on the fingerprint verification. The fingerprint verification has to be executed on central host server for security purposes. Protocol designed allows controlling entire parameters of smart security controller like PIN options, Reader delay, real-time clock, alarm option and cardholder access conditions.

    Linux File & Directory Permissions Mistakes - One common mistake Linux administrators make is having file and directory permissions that are far too liberal and allow access beyond that which is needed for proper system operations. A full explanation of unix file permissions is beyond the scope of this article, so I'll assume you are familiar with the usage of such tools as chmod, chown, and chgrp. If you'd like a refresher, one is available right here on linuxsecurity.com.

Take advantage of our Linux Security discussion list! This mailing list is for general security-related questions and comments. To subscribe send an e-mail to security-discuss-request@linuxsecurity.com with "subscribe" as the subject.

Thank you for reading the LinuxSecurity.com weekly security newsletter. The purpose of this document is to provide our readers with a quick summary of each week's most relevant Linux security headline.


   Debian
  Debian: New phpmyadmin packages fix several vulnerabilities
  9th, November, 2006

The following CVEIDs are addressed: CVE-2006-1678 CVE-2006-2418 CVE-2005-3621 CVE-2005-3665 CVE-2006-5116

http://www.linuxsecurity.com/content/view/125670

 
  Debian: New bugzilla packages fix several vulnerabilities
  11th, November, 2006

Updated package.

http://www.linuxsecurity.com/content/view/125706

 
  Debian: New trac packages fix cross-site request forgery
  12th, November, 2006

Updated package.

http://www.linuxsecurity.com/content/view/125710

 
  Debian: New trac packages fix cross-site request forgery
  13th, November, 2006

Updated package.

http://www.linuxsecurity.com/content/view/125716

 
  Debian: New Mozilla Firefox packages fix several vulnerabilities
  14th, November, 2006

Updated package.

http://www.linuxsecurity.com/content/view/125758

 
  Debian: New pdns packages fix arbitrary code execution
  14th, November, 2006

Updated package.

http://www.linuxsecurity.com/content/view/125765

 
  Debian: New openssh packages fix denial of service
  15th, November, 2006

Two denial of service vulnerabilities have been found in the OpenSSH server. CVE-2006-4924: The sshd support for ssh protcol version 1 does not properly handle duplicate incoming blocks. This could allow a remote attacker to cause sshd to consume significant CPU resources leading to a denial of service. CVE-2006-5051: A signal handler race condition could potentially allow a remote attacker to crash sshd and could theoretically lead to the ability to execute arbitrary code.

http://www.linuxsecurity.com/content/view/125773

 
   Fedora
  Fedora Core 5 Update: firefox-1.5.0.8-1.fc5
  9th, November, 2006

Mozilla Firefox is an open source Web browser. Several flaws were found in the way Firefox processes certain malformed Javascript code. A malicious web page could cause the execution of Javascript code in such a way that could cause Firefox to crash or execute arbitrary code as the user running Firefox. (CVE-2006-5463, CVE-2006-5747, CVE-2006-5748) Several flaws were found in the way Firefox renders web pages. A malicious web page could cause the browser to crash or possibly execute arbitrary code as the user running Firefox. (CVE-2006-5464) Users of Firefox are advised to upgrade to this update, which contains Firefox version 1.5.0.8 that corrects these issues.

http://www.linuxsecurity.com/content/view/125654

 
  Fedora Extras [3 4 5 6 devel] / 1.2.1-2 [FE 3 4], 1.3.0-3 [FE 5 6 devel]
  9th, November, 2006

CVE IDs: CVE-2006-4806, CVE-2006-4807, CVE-2006-4808, CVE-2006-4809 M. Joonas Pihlaja discovered that imlib2 did not sufficiently verify the validity of ARGB, JPG, LBM, PNG, PNM, TGA, and TIFF images. If a user were tricked into viewing or processing a specially crafted image with an application that uses imlib2, the flaws could be exploited to execute arbitrary code with the user's privileges. Fedora Extras versions earlier then the versions mentioned above are vulnerable to this problem, upgrade to fix this vulnerability.

http://www.linuxsecurity.com/content/view/125656

 
   Gentoo
  Gentoo: Bugzilla Multiple Vulnerabilities
  9th, November, 2006

Bugzilla is vulnerable to cross-site scripting, script injection, and request forgery.

http://www.linuxsecurity.com/content/view/125676

 
  Gentoo: Netkit FTP Server Privilege escalation
  10th, November, 2006

An incorrect seteuid() call could allow an FTP user to access some files or directories that would normally be inaccessible.

http://www.linuxsecurity.com/content/view/125687

 
  Gentoo: OpenSSH Multiple Denial of Service vulnerabilities
  13th, November, 2006

Several Denial of Service vulnerabilities have been identified in OpenSSH.

http://www.linuxsecurity.com/content/view/125751

 
  Gentoo: GraphicsMagick PALM and DCM buffer overflows
  13th, November, 2006

GraphicsMagick improperly handles PALM and DCM images, potentially resulting in the execution of arbitrary code.

http://www.linuxsecurity.com/content/view/125752

 
  Gentoo: RPM Buffer overflow
  13th, November, 2006

RPM is vulnerable to a buffer overflow and possibly the execution of arbitrary code when opening specially crafted packages.

http://www.linuxsecurity.com/content/view/125753

 
   Mandriva
  Mandriva: Updated gnuplot package fixes GUI crash
  9th, November, 2006

An error in gnuplot was causing it to fail with a segmentation fault whenever the user attempted to produce a graphical plot via the default 'x11' term. The updated package corrects this error and allows graphical plotting via X11.

http://www.linuxsecurity.com/content/view/125678

 
  Mandriva: Updated Firefox packages fix multiple vulnerabilities
  9th, November, 2006

A number of security vulnerabilities have been discovered and corrected in the latest Mozilla Firefox program, version 1.5.0.8. This update provides the latest Firefox to correct these issues.

http://www.linuxsecurity.com/content/view/125679

 
  Mandriva: Updated desktop-common-data and alacarte packages fix system menu issues
  9th, November, 2006

There were some problems with the menu system in Mandriva Linux 2007. Some menu categories were not displayed or properly translated, and editing the menus with the GNOME menu editor (alacarte) was not working. This update fixes these problems.

http://www.linuxsecurity.com/content/view/125680

 
  Mandriva: Updated Thunderbird packages fix multiple vulnerabilities
  9th, November, 2006

A number of security vulnerabilities have been discovered and corrected in the latest Mozilla Thunderbird program, version 1.5.0.8. This update provides the latest Thunderbird to correct these issues.

http://www.linuxsecurity.com/content/view/125681

 
  Mandriva: Updated ical package fixes
  10th, November, 2006

The Ical package in Mandriva Linux 2007 fails to run due to old code that does not work with current versions of TCL. Additionally, the application did not appear in the menu and the URL was obsolete. This updated package fixes these issues.

http://www.linuxsecurity.com/content/view/125688
 
  Mandriva: Updated webmin to correct issues with various modules.
  13th, November, 2006

For the Mandriva 2007.0 release, the webmin package received a patch to the operating system detection code to cope with the Mandriva name change. This patch unfortunately introduced a problem where many webmin modules would no longer work, like cron, MySQL and many others.

http://www.linuxsecurity.com/content/view/125715

 
  Mandriva: Updated opensc packages fix Oberthur smart card issues
  13th, November, 2006

Opensc is a library for accessing smart card devices. This update fixes a problem which prevented Oberthur smart cards from being recognized and used.

http://www.linuxsecurity.com/content/view/125757

 
  Mandriva: Updated bind packages fixes RSA signature verification vulnerability
  14th, November, 2006

The BIND DNS server is vulnerable to the recently-discovered OpenSSL RSA signature verification problem (CVE-2006-4339). BIND uses RSA cryptography as part of its DNSSEC implementation. As a result, to resolve the security issue, these packages need to be upgraded and for both KEY and DNSKEY record types, new RSASHA1 and RSAMD5 keys need to be generated using the "-e" option of dnssec-keygen, if the current keys were generated using the default exponent of 3.

http://www.linuxsecurity.com/content/view/125766

 
  Mandriva: Updated openldap packages fixes Bind vulnerability
  15th, November, 2006

An unspecified vulnerability in OpenLDAP allows remote attackers to cause a denial of service (daemon crash) via a certain combination of SASL Bind requests that triggers an assertion failure in libldap. Packages have been patched to correct this issue.

http://www.linuxsecurity.com/content/view/125767

 
  Mandriva: Updated libpng packages fix vulnerabilities
  16th, November, 2006

Buffer overflow in the png_decompress_chunk function in pngrutil.c in libpng before 1.2.12 allows context-dependent attackers to cause a denial of service and possibly execute arbitrary code via unspecified vectors related to "chunk error processing," possibly involving the "chunk_name".

http://www.linuxsecurity.com/content/view/125794

 
  Mandriva: Updated syslinux packages to fix embedded libpng vulnerabilities
  16th, November, 2006

SYSLINUX is a boot loader for the Linux operating system which operates off an MS-DOS/Windows FAT filesystem. It is built with a private copy of libpng, and as such could be susceptible to some of the same vulnerabilities.

http://www.linuxsecurity.com/content/view/125795

 
  Mandriva: Updated pxelinux packages to fix embedded libpng vulnerabilities
  16th, November, 2006

PXELINUX is a PXE bootloader. It is built with a private copy of libpng, and as such could be susceptible to some of the same vulnerabilities.

http://www.linuxsecurity.com/content/view/125796

 
  Mandriva: Updated doxygen packages to fix embedded libpng vulnerabilities
  16th, November, 2006

Doxygen is a documentation system for C, C++ and IDL. It is built with a private copy of libpng, and as such could be susceptible to some of the same vulnerabilities.

http://www.linuxsecurity.com/content/view/125803

 
  Mandriva: Updated chromium packages to fix embedded libpng vulnerabilities
  16th, November, 2006

Chromium is an OpenGL-based shoot them up game with fine graphics. It is built with a private copy of libpng, and as such could be susceptible to some of the same vulnerabilities.

http://www.linuxsecurity.com/content/view/125804

 
   Red Hat
  RedHat: Moderate: wireshark security update
  9th, November, 2006

New Wireshark packages that fix various security vulnerabilities are now available. This update has been rated as having moderate security impact by the Red Hat Security Response Team.

http://www.linuxsecurity.com/content/view/125672

 
  RedHat: Important: php security update
  10th, November, 2006

Updated PHP packages that fix a security issue are now available for the Red Hat Application Stack. This update has been rated as having important security impact by the Red Hat Security Response Team.

http://www.linuxsecurity.com/content/view/125683

 
  RedHat: Moderate: nss_ldap security update
  15th, November, 2006

Updated nss_ldap packages that fix a security flaw are now available for Red Hat Enterprise Linux 4. This update has been rated as having moderate security impact by the Red Hat Security Response Team.

http://www.linuxsecurity.com/content/view/125771

 
  RedHat: Low: openssh security update
  15th, November, 2006

Updated openssh packages that fix an authentication flaw are now available for Red Hat Enterprise Linux 3 and 4. This update has been rated as having low security impact by the Red Hat Security Response Team.

http://www.linuxsecurity.com/content/view/125772

 
  RedHat: Critical: elinks security update
  15th, November, 2006

An updated elinks package that corrects a security vulnerability is now available for Red Hat Enterprise Linux 4. This update has been rated as having critical security impact by the Red Hat Security Response Team.

http://www.linuxsecurity.com/content/view/125776

 
   Slackware
  Slackware: firefox/thunderbird/seamonkey
  9th, November, 2006

New Firefox and Thunderbird packages are available for Slackware 10.2 and 11.0 to fix security issues. In addition, a new Seamonkey package is available for Slackware 11.0 to fix similar issues.

http://www.linuxsecurity.com/content/view/125682

 
   SuSE
  SuSE: kernel (SUSE-SA:2006:064)
  10th, November, 2006

Updated package.

http://www.linuxsecurity.com/content/view/125685

 
  SuSE: ethereal (SUSE-SA:2006:065)
  14th, November, 2006

Updated package.

http://www.linuxsecurity.com/content/view/125759

 
  SuSE: ImageMagick (SUSE-SA:2006:066)
  14th, November, 2006

Updated package.

http://www.linuxsecurity.com/content/view/125760

 
  SuSE: php4,php5 (SUSE-SA:2006:067)
  15th, November, 2006

CVE-2006-5465: Various buffer overflows in htmlentities / htmlspecialchars internal routines could be used to crash the PHP interpreter or potentially execute code, depending on the PHP application used.

http://www.linuxsecurity.com/content/view/125770

 
  SuSE: Mozilla Firefox, Thunderbird,
  16th, November, 2006

The following CVEIDs are addresed by this vulnerability: CVE-2006-5464 CVE-2006-5747 CVE-2006-5748 CVE-2006-5462 CVE-2006-5463

http://www.linuxsecurity.com/content/view/125790

 
  SuSE: asterisk (SUSE-SA:2006:069)
  16th, November, 2006

Two security problem have been found and fixed in the PBX software Asterisk. CVE-2006-5444: Integer overflow in the get_input function in the Skinny channel driver (chan_skinny.c) as used by Cisco SCCP phones, allows remote attackers to potentially execute arbitrary code via a certain dlen value that passes a signed integer comparison and leads to a heap-based buffer overflow. CVE-2006-5445: A vulnerability in the SIP channel driver (channels/chan_sip.c) in Asterisk on SUSE Linux 10.1 allows remote attackers to cause a denial of service (resource consumption) via unspecified vectors that result in the creation of "a real pvt structure" that uses more resources than necessary.

http://www.linuxsecurity.com/content/view/125791

 
  SuSE: powerdns denial of service
  16th, November, 2006

Two security problems that have been found in PowerDNS are fixed by this update: CVE-2006-4251: The PowerDNS Recursor can be made to crash by sending malformed questions to it over TCP potentially executing code. CVE-2006-4252: Zero second CNAME TTLs can make PowerDNS exhaust allocated stack space and crash.

http://www.linuxsecurity.com/content/view/125792

 
   Ubuntu
  Ubuntu: texinfo vulnerability
  9th, November, 2006

Miloslav Trmac discovered a buffer overflow in texinfo's index processor. If a user is tricked into processing a .texi file with texindex, this could lead to arbitrary code execution with user privileges.

http://www.linuxsecurity.com/content/view/125671

 
  Ubuntu: Avahi vulnerability
  10th, November, 2006

Steve Grubb discovered that netlink messages were not being checked for their sender identity. This could lead to local users manipulating the Avahi service.

http://www.linuxsecurity.com/content/view/125694

 

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