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1.6 Donut through 4.2 Jelly Bean does not properly check cryptographic signatures for applications, which allows attackers to execute arbitrary code via an application package file (APK) that is modified in a way that does not violate the cryptographic signature, probably involving multiple entries in a Zip file with the same name in which one entry is validated but the other entry is installed, aka Android security bug 8219321 and the \"Master Key\" vulnerability.","Type":"Description","Title":"CVE-2013-4787"},{"CveYear":"2013","CveId":"4787","Ordinal":"2","NoteData":"2013-07-09","Type":"Other","Title":"Published"}]}}}