Explain CVE-2013-1821
lib/rexml/text.rb in the REXML parser in Ruby before 1.9.3-p392 allows remote attackers to cause a denial of service (memory consumption and crash) via crafted text nodes in an XML document, aka an XML Entity Expansion (XEE) attack.
Affected Products: n/a
References: [{'name': 'RHSA-2013:0612', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2013-0612.html'}, {'name': 'MDVSA-2013:124', 'tags': ['vendor-advisory', 'x_refsource_MANDRIVA'], 'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2013:124'}, {'name': 'openSUSE-SU-2013:0603', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-updates/2013-04/msg00034.html'}, {'name': 'SSA:2013-075-01', 'tags': ['vendor-advisory', 'x_refsource_SLACKWARE'], 'url': 'http://www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.426862'}, {'name': '52783', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/52783'}, {'name': 'DSA-2738', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2013/dsa-2738'}, {'name': 'openSUSE-SU-2013:0614', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-updates/2013-04/msg00036.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=39384'}, {'tags': ['x_refsource_MISC'], 'url': 'http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702525'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0092'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html'}, {'name': 'USN-1780-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-1780-1'}, {'name': '58141', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/58141'}, {'name': '52902', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/52902'}, {'name': '[oss-security] 20130306 CVE for Ruby Entity expansion DoS vulnerability in REXML (XML bomb)', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://www.openwall.com/lists/oss-security/2013/03/06/5'}, {'tags': ['x_refsource_MISC'], 'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=914716'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.ruby-lang.org/en/news/2013/02/22/rexml-dos-2013-02-22/'}, {'name': 'SUSE-SU-2013:0609', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00001.html'}, {'name': 'DSA-2809', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2013/dsa-2809'}, {'name': 'RHSA-2013:1028', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2013-1028.html'}, {'name': 'RHSA-2013:0611', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2013-0611.html'}, {'name': 'RHSA-2013:1147', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2013-1147.html'}, {'name': 'SUSE-SU-2013:0647', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00015.html'}]
CVE State: PUBLISHED