Code: OMX_ERRORTYPE SoftVorbis::internalSetParameter(
        OMX_INDEXTYPE index, const OMX_PTR params) {
 switch (index) {
 case OMX_IndexParamStandardComponentRole:
 {

             const OMX_PARAM_COMPONENTROLETYPE *roleParams =
                 (const OMX_PARAM_COMPONENTROLETYPE *)params;
 
             if (strncmp((const char *)roleParams->cRole,
                         "audio_decoder.vorbis",
                         OMX_MAX_STRINGNAME_SIZE - 1)) {
 return OMX_ErrorUndefined;
 }

 return OMX_ErrorNone;
 }

 case OMX_IndexParamAudioVorbis:
 {

             const OMX_AUDIO_PARAM_VORBISTYPE *vorbisParams =
                 (const OMX_AUDIO_PARAM_VORBISTYPE *)params;
 
             if (vorbisParams->nPortIndex != 0) {
                 return OMX_ErrorUndefined;
             }

 return OMX_ErrorNone;
 }

 default:
 return SimpleSoftOMXComponent::internalSetParameter(index, params);
 }
}

Vulnerability Type: Overflow +Priv 
CWE ID: CWE-119
Summary: mediaserver in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-06-01 does not validate OMX buffer sizes, which allows attackers to gain privileges via a crafted application, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 27207275.
Commit Message: DO NOT MERGE Verify OMX buffer sizes prior to access

Bug: 27207275
Change-Id: I4412825d1ee233d993af0a67708bea54304ff62d
