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| author | Aalique Grahame <agrahame@codeaurora.org> | 2017-03-22 15:12:59 -0700 |
|---|---|---|
| committer | MSe <mse1969@posteo.de> | 2017-09-16 22:47:31 +0200 |
| commit | 8b66be19ad3f96485ecb042104827191238a0ea2 (patch) | |
| tree | bba5beac0b67a3a7ff353bfb763efbf94caa4d6f | |
| parent | bbe5a66bd0173cdb07f3d88aa2222413696d3c51 (diff) | |
| download | android_hardware_qcom_audio-cm-13.0-caf-8916.tar.gz android_hardware_qcom_audio-cm-13.0-caf-8916.tar.bz2 android_hardware_qcom_audio-cm-13.0-caf-8916.zip | |
aenc-aac: bounds checkingcm-13.0-caf-8916
Add bounds checking for buffers
CRs-Fixed: 2013236
Change-Id: I0e1f75ea307088b92e87b99f8b614afbcd0f1c82
CVE-2017-8278
| -rw-r--r-- | mm-audio/aenc-aac/qdsp6/src/omx_aac_aenc.cpp | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/mm-audio/aenc-aac/qdsp6/src/omx_aac_aenc.cpp b/mm-audio/aenc-aac/qdsp6/src/omx_aac_aenc.cpp index 6af9269c..1fd54c2f 100644 --- a/mm-audio/aenc-aac/qdsp6/src/omx_aac_aenc.cpp +++ b/mm-audio/aenc-aac/qdsp6/src/omx_aac_aenc.cpp @@ -4152,14 +4152,25 @@ OMX_ERRORTYPE omx_aac_aenc::fill_this_buffer_proxy DEBUG_DETAIL("FTBP->Al_len[%lu]buf[%p]size[%d]numOutBuf[%d]\n",\ buffer->nAllocLen,m_tmp_out_meta_buf, nReadbytes,nNumOutputBuf); - if(*m_tmp_out_meta_buf <= 0) + if(m_tmp_out_meta_buf == NULL) + return OMX_ErrorUndefined; + + if(*m_tmp_out_meta_buf <= 0 || *m_tmp_out_meta_buf > CHAR_MAX) return OMX_ErrorBadParameter; - szadifhr = AUDAAC_MAX_ADIF_HEADER_LENGTH; + szadifhr = AUDAAC_MAX_ADIF_HEADER_LENGTH; numframes = *m_tmp_out_meta_buf; metainfo = (int)((sizeof(ENC_META_OUT) * numframes)+ - sizeof(unsigned char)); + sizeof(unsigned char)); + /* + * add bounds checking + */ + if ((metainfo > INT_MAX - szadifhr) || + (buffer->nAllocLen < (nReadbytes + szadifhr)) || + (metainfo > nReadbytes)) { + return OMX_ErrorBadParameter; + } audaac_rec_install_adif_header_variable(0,sample_idx, - (OMX_U8)m_aac_param.nChannels); + (OMX_U8)m_aac_param.nChannels); memcpy(buffer->pBuffer,m_tmp_out_meta_buf,metainfo); memcpy(buffer->pBuffer + metainfo,&audaac_header_adif[0],szadifhr); memcpy(buffer->pBuffer + metainfo + szadifhr, |