------------------------------------------------------------------------ Pardus Linux Security Advisory 2008-35 security@pardus.org.tr ------------------------------------------------------------------------ Date: 2008-09-01 Severity: 3 Type: Remote ------------------------------------------------------------------------ Summary ======= A vulnerability has been reported in Ruby, which can be exploited by malicious people to cause a DoS (Denial of Service). Description =========== The vulnerability is caused due to an error in the REXML library when processing recursively nested XML entities. This can be exploited to cause a DoS via a specially crafted XML document. Note: This vulnerability found by Luka Treiber and Mitja Kolsek of ACROS Security. Affected packages: Pardus 2008: ruby, all before 1.8.7_p72-17-5 ruby-mode, all before 1.8.7_p72-17-5 Pardus 2007: ruby, all before 1.8.7_p72-17-14 ruby-mode, all before 1.8.7_p72-17-5 Resolution ========== There are update(s) for ruby, ruby-mode. You can update them via Package Manager or with a single command from console: Pardus 2008: pisi up ruby ruby-mode Pardus 2007: pisi up ruby ruby-mode References ========== * http://security.pardus.org.tr/en/2008-35 * http://bugs.pardus.org.tr/show_bug.cgi?id=8044 * http://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/ * http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-3790 * http://secunia.com/advisories/31602 ------------------------------------------------------------------------ -- Pınar Yanardağ Pardus Security Team http://security.pardus.org.tr _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/