CVE-2011-1755

moderate-risk
Published 2011-06-21

jabberd2 before 2.2.14 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.

Do I need to act?

~
8.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (6)

Jabberd2

Affected Vendors

Jabberd2 Fedoraproject Apple

References (32)

Broken Link http://codex.xiaoka.com/svn/jabberd2/tags/jabberd-2.2.14/ChangeLog
Mailing List http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
Mailing List http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061341.html
Mailing List http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061458.html
Mailing List http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061482.html
Broken Link http://secunia.com/advisories/44787
Broken Link http://secunia.com/advisories/44957
Broken Link http://secunia.com/advisories/45112
Third Party Advisory http://support.apple.com/kb/HT5002
Release Notes http://www.mail-archive.com/jabberd2%40lists.xiaoka.com/msg01655.html
Broken Link http://www.redhat.com/support/errata/RHSA-2011-0881.html
Broken Link http://www.redhat.com/support/errata/RHSA-2011-0882.html
Broken Link http://www.securityfocus.com/bid/48250
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=700390
Third Party Advisory https://exchange.xforce.ibmcloud.com/vulnerabilities/67770
Broken Link https://hermes.opensuse.org/messages/9197650
Broken Link http://codex.xiaoka.com/svn/jabberd2/tags/jabberd-2.2.14/ChangeLog
Mailing List http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
Mailing List http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061341.html
Mailing List http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061458.html
and 12 more references
49
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 10/34 · Low
Exposure 13/34 · Low