Vulnerability Details : CVE-2011-2205
Prosody before 0.8.1 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.
Vulnerability category: Denial of service
Products affected by CVE-2011-2205
- cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.7:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.6:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.8:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:0.5.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-2205
5.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-2205
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2011-2205
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2205
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http://prosody.im/doc/release/0.8.1
0.8.1 Release Notes – Prosody IMPatch
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https://exchange.xforce.ibmcloud.com/vulnerabilities/67884
Prosody XML denial of service CVE-2011-2205 Vulnerability Report
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http://hg.prosody.im/0.8/rev/5305a665bdd4
Prosody IM 0.8: revision 5305a665bdd4: util.xmppstream: Reject XML comments, processing instructions and (if supported by LuaExpat) DTDs. If not supported, log a warning.Patch
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http://www.openwall.com/lists/oss-security/2011/06/14/6
oss-security - CVE Request: prosody DoS, djabberd external entity injection
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http://www.openwall.com/lists/oss-security/2011/06/15/5
oss-security - Re: CVE Request: prosody DoS, djabberd external entity injection
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http://blog.prosody.im/prosody-0-8-1-released/
Prosody 0.8.1 released | Prosodical ThoughtsPatch
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http://www.securityfocus.com/bid/48125
Prosody XML Parsing Denial of Service Vulnerability
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http://hg.prosody.im/0.8/rev/ee6a18f10a8d
Prosody IM 0.8: revision ee6a18f10a8d: xmlhandlers/xmppstream: Stop the parser when encountering restricted XML, completing the fix for the billion laughs attackPatch
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