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jPlayer 2.2.19 XSS
2013.04.11
Credit:
Kurt Seifried
Risk:
Low
Local:
No
Remote:
Yes
CVE:
CVE-2013-1942
CWE:
CWE-79
CVSS Base Score:
4.3/10
Impact Subscore:
2.9/10
Exploitability Subscore:
8.6/10
Exploit range:
Remote
Attack complexity:
Medium
Authentication:
No required
Confidentiality impact:
None
Integrity impact:
Partial
Availability impact:
None
ownCloud brought this to my intention (they use it, I'm guessing other people use it as well. https://github.com/happyworm/jPlayer/commit/e8ca190f7f972a6a421cb95f09e138720e40ed6d Please use CVE-2013-1942 for this issue. The only contact info I can find is hello () happyworm com for upstream. 8 8 * - http://www.gnu.org/copyleft/gpl.html 9 9 * 10 10 * Author: Mark J Panaghiston 11 - * Version: 2.2.19 12 - * Date: 29th January 2013 11 + * Version: 2.2.20 12 + * Date: 21st March 2013 13 13 * 14 14 * FlashVars expected: (AS3 property of: loaderInfo.parameters) 15 15 * id: (URL Encoded: String) Id of jPlayer instance ... ... @@ -70,7 +70,7 @@ package { 70 70 private var isVideo:Boolean = false; 71 71 72 72 private var securityIssue:Boolean = false; // When SWF parameters contain illegal characters 73 - private var directAccess:Boolean = false; // When SWF visited directly with no parameters 73 + private var directAccess:Boolean = false; // When SWF visited directly with no parameters (or when security issue detected) 74 74 75 75 private var txLog:TextField; 76 76 private var debug:Boolean = false; // Set debug to false for release compile! ... ... @@ -233,12 +233,12 @@ package { 233 233 } 234 234 i++; 235 235 } 236 - if(i === 0) { 236 + if(i === 0 || securityIssue) { 237 237 directAccess = true; 238 238 } 239 239 } 240 240 private function illegalChar(s:String):Boolean { 241 - var illegals:String = "' \" ( ) { } * + /"; 241 + var illegals:String = "' \" ( ) { } * + / \\ < > = document"; 242 242 if(Boolean(s)) { // Otherwise exception if parameter null. 243 243 for each (var illegal:String in illegals.split(' ')) { 244 244 if(s.indexOf(illegal) >= 0) {
References:
https://github.com/happyworm/jPlayer/commit/e8ca190f7f972a6a421cb95f09e138720e40ed6d
http://seclists.org/oss-sec/2013/q2/82
See this note in RAW Version
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