Vulnerability Description
expat_erl.c in ejabberd before 2.1.7 and 3.x before 3.0.0-alpha-3, and exmpp before 0.9.7, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Process-One | Ejabberd | <= 2.1.6 |
| Process-One | Exmpp | <= 0.9.6 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062099.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062145.html
- http://secunia.com/advisories/44765Vendor Advisory
- http://secunia.com/advisories/44807Vendor Advisory
- http://secunia.com/advisories/45120
- http://www.debian.org/security/2011/dsa-2248
- http://www.ejabberd.im/ejabberd-2.1.7Patch
- http://www.process-one.net/en/ejabberd/release_notes/release_note_ejabberd_2.1.7
- http://www.securityfocus.com/bid/48072
- https://bugzilla.redhat.com/show_bug.cgi?id=700454
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67769
- https://git.process-one.net/ejabberd/mainline/commit/bd1df027c622e1f96f9eeaac612Patch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062099.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062145.html
- http://secunia.com/advisories/44765Vendor Advisory
FAQ
What is CVE-2011-1753?
CVE-2011-1753 is a vulnerability with a CVSS score of 5.0 (MEDIUM). expat_erl.c in ejabberd before 2.1.7 and 3.x before 3.0.0-alpha-3, and exmpp before 0.9.7, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial o...
How severe is CVE-2011-1753?
CVE-2011-1753 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1753?
Check the references section above for vendor advisories and patch information. Affected products include: Process-One Ejabberd, Process-One Exmpp.