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Fedora 10: 2009:10743 Critical: SquidGuard Buffer Overflow Fix

Fixes language file issue, but more importantly. . . --------------- squidGuard upstream has released patches fixing (quoting from upstream advisories): a, This patch fixes one buffer overflow problem in sgLog.c when overlong URLs are requested. SquidGuard will then go into emergency mode were no blocking occurs. This is not required in this situation. URL: Downloads/Patches/1.4/Readme.Patch-20091015 ---- b, This patch fixes two bypass problems with URLs which length is close to the limit defined by MAX_BUF (default: 4096) in squidGuard and MAX_URL (default: 4096 in squid 2.x and 8192 in squid 3.x) in squid. For this kind of URLs the proxy request exceeds MAX_BUF causing squidGuard to complain about not being able to parse the squid request. URL: ---- References: ----------- https://www.flexera.com/products/security/software-vulnerability-research/secunia-research Upstream patches - squidGuard 1.4: ---------------------------------- Upstream advisories: -------------------- . -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2009-10743 2009-10-27 05:00:11 -------------------------------------------------------------------------------- Name : squidGuard Product : Fedora 10 Version : 1.4 Release : 8.fc10 URL : Summary : Filter, redirector and access controller plugin for squid Description : squidGuard can be used to - limit the web access for some users to a list of accepted/well known web servers and/or URLs only. - block access to some listed or blacklisted web servers and/or URLs for some users. - block access to URLs matching a list of regular expressions or words for some users. - enforce the use of domainnames/prohibit the use of IP address in URLs. - redirect blocked URLs to an "intelligent" CGI based info page. - redirect unregistered user to a registration form. - redirect popular downloads like Netscape, MSIE etc. to local copies. - redirect banners to an empty GIF. - havedifferent access rules based on time of day, day of the week, date etc. - have different rules for different user groups. - and much more.. Neither squidGuard nor Squid can be used to - filter/censor/edit text inside documents - filter/censor/edit embeded scripting languages like JavaScript or VBscript inside HTML -------------------------------------------------------------------------------- Update Information: Fixes language file issue, but more importantly. . . --------------- squidGuard upstream has released patches fixing (quoting from upstream advisories): a, This patch fixes one buffer overflow problem in sgLog.c when overlong URLs are requested. SquidGuard will then go into emergency mode were no blocking occurs. This is not required in this situation. URL: ---- b, This patch fixes two bypass problems with URLs which length is close to the limit defined by MAX_BUF (default: 4096) in squidGuard and MAX_URL (default: 4096 in squid 2.x and 8192 in squid 3.x) in squid. For this kind of URLs the proxy request exceeds MAX_BUF causing squidGuard to complain about not being able to parse the squid request. URL: ---- References: ----------- https://www.flexera.com/products/security/software-vulnerability-research/secunia-research Upstream patches - squidGuard 1.4: ---------------------------------- Upstream advisories: -------------------- -------------------------------------------------------------------------------- ChangeLog: * Mon Oct 26 2009 Jon Ciesla - 1.4-8 - Applying upstream patches for CVE-2009-3700, BZ 530862. * Thu Sep 24 2009 Jon Ciesla - 1.4-7 - Make squidGuard.cgi config(noreplace) - Relocated logs, updated logrotate file. - Updated blacklist URL. * Wed Sep 9 2009 Jon Ciesla - 1.4-6 - Include babel files, BZ 522038. * Sun Jul 26 2009 Fedora Release Engineering - 1.4-5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_12_Mass_Rebuild * Thu Mar 5 2009 Jon Ciesla - 1.4-4 - Initscript cleanup, BZ 247065. * Tue Feb 24 2009 Jon Ciesla - 1.4-3 - Dropchcon Req. -------------------------------------------------------------------------------- References: [ 1 ] Bug #530862 - CVE-2009-3700 squidGuard: buffer overflow in sgLog.c and two URL filter bypass issues https://bugzilla.redhat.com/show_bug.cgi?id=530862 -------------------------------------------------------------------------------- This update can be installed with the "yum" update program. Use su -c 'yum update squidGuard' at the command line. For more information, refer to "Managing Software with yum", available at . All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ -------------------------------------------------------------------------------- _______________________________________________ Fedora-package-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./ . Resolves localization file error and mitigates a significant buffer overflow vulnerability in squidGuard by integrating upstream solutions.. squidGuard Patches, Fedora Update, Buffer Overflow Patch. . Severity: Critical. LinuxSecurity.com Team

Nov 04, 2009 •Critical Fedora