CVE-2011-1755

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 8.46% Top 10%
Vendor Advisory apple.com Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/67770 vdb entry third party advisory
http://codex.xiaoka.com/svn/jabberd2/tags/jabberd-2.2.14/ChangeLog broken link
http://secunia.com/advisories/44957 third party advisory broken link
http://secunia.com/advisories/44787 broken link third party advisory vendor advisory
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html mailing list vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061341.html mailing list vendor advisory
http://www.redhat.com/support/errata/RHSA-2011-0881.html vendor advisory broken link
https://hermes.opensuse.org/messages/9197650 vendor advisory broken link
https://bugzilla.redhat.com/show_bug.cgi?id=700390 issue tracking patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061458.html mailing list vendor advisory
http://www.redhat.com/support/errata/RHSA-2011-0882.html vendor advisory broken link
http://www.securityfocus.com/bid/48250 vdb entry third party advisory broken link
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061482.html mailing list vendor advisory
http://support.apple.com/kb/HT5002 third party advisory
http://secunia.com/advisories/45112 third party advisory broken link
http://www.mail-archive.com/jabberd2%40lists.xiaoka.com/msg01655.html mailing list release notes

Frequently Asked Questions

What is the severity of CVE-2011-1755?
CVE-2011-1755 has been scored as a high severity vulnerability.
How to fix CVE-2011-1755?
To fix CVE-2011-1755, 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-2011-1755 being actively exploited in the wild?
It is possible that CVE-2011-1755 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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