CVE-2011-1757: Medium severity jabberd vulnerability

Published Jun 21, 2011
·
Updated

DJabberd 0.84 and earlier 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.

Affected Software

5 affected components
Brad Fitzpatrick Djabberd<=0.84
Brad Fitzpatrick Djabberd=0.80
Brad Fitzpatrick Djabberd=0.81
Brad Fitzpatrick Djabberd=0.82
Brad Fitzpatrick Djabberd=0.83

Event History

Jun 21, 2011
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2011-1757?

CVE-2011-1757 is classified as a denial of service vulnerability affecting DJabberd 0.84 and earlier.

2

How do I fix CVE-2011-1757?

To fix CVE-2011-1757, update your DJabberd installation to version 0.85 or later where the recursion detection is improved.

3

Which versions of DJabberd are affected by CVE-2011-1757?

CVE-2011-1757 affects DJabberd versions 0.84 and earlier.

4

What types of attacks can exploit CVE-2011-1757?

CVE-2011-1757 can be exploited through crafted XML documents containing a large number of nested entity references.

5

What impact does CVE-2011-1757 have on systems?

CVE-2011-1757 can result in significant memory and CPU consumption, leading to potential denial-of-service conditions.

Contact

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