Vulnerability in Process-One Ejabberd
CVE-2011-1753
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.021 (81.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Process-One Ejabberd — versions 0.9, 0.9.1, 0.9.8
- Process-One Exmpp — versions 0.9.1, 0.9.2, 0.9.3
Weakness classification (CWE)
References
- exchange.xforce.ibmcloud.com/vulnerabilities/67769 (vdb-entry)
- www.debian.org/security/2011/dsa-2248 (vendor-advisory)
- www.process-one.net/en/ejabberd/release_notes/release_note_ejabberd_2.1.7/
- secunia.com/advisories/44765 (Vendor Advisory, third-party-advisory)
- git.process-one.net/ejabberd/mainline/commit/bd1df027c622e1f96f9eeaac612a6a956c… (Patch)
- lists.fedoraproject.org/pipermail/package-announce/2011-June/062099.html (vendor-advisory)
- www.ejabberd.im/ejabberd-2.1.7 (Patch)
- bugzilla.redhat.com/show_bug.cgi
- secunia.com/advisories/44807 (Vendor Advisory, third-party-advisory)
- www.securityfocus.com/bid/48072 (vdb-entry)