CVE-2013-1821

Description

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 8.52% Top 10%
Vendor Advisory redhat.com Vendor Advisory mandriva.com Vendor Advisory opensuse.org Vendor Advisory slackware.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory ruby-lang.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2013-0612.html vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:124 vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-04/msg00034.html vendor advisory
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.426862 vendor advisory
http://secunia.com/advisories/52783 third party advisory vendor advisory
http://www.debian.org/security/2013/dsa-2738 vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-04/msg00036.html vendor advisory
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=39384
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702525
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0092
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://www.ubuntu.com/usn/USN-1780-1 vendor advisory
http://www.securityfocus.com/bid/58141 vdb entry
http://secunia.com/advisories/52902 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2013/03/06/5 mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=914716
http://www.ruby-lang.org/en/news/2013/02/22/rexml-dos-2013-02-22/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00001.html vendor advisory
http://www.debian.org/security/2013/dsa-2809 vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-1028.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0611.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-1147.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00015.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-1821?
CVE-2013-1821 has been scored as a medium severity vulnerability.
How to fix CVE-2013-1821?
To fix CVE-2013-1821, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-1821 being actively exploited in the wild?
It is possible that CVE-2013-1821 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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