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CVE-2015-8397

Status Candidate

Overview

The JPEGLSCodec::DecodeExtent function in MediaStorageAndFileFormat/gdcmJPEGLSCodec.cxx in Grassroots DICOM (aka GDCM) before 2.6.2 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (application crash) via an embedded JPEG-LS image with dimensions larger than the selected region in a (1) two-dimensional or (2) three-dimensional DICOM image file, which triggers an out-of-bounds read.

Related Files

GDCM 2.6.0 / 2.6.1 Out-Of-Bounds Read
Posted Jan 11, 2016
Authored by Stelios Tsampas

GDCM versions 2.6.0 and 2.6.1 suffer from an out-of-bounds read due to missing checks. The vulnerability occurs during the decoding of JPEG-LS images when the dimensions of the embedded JPEG-LS image (as specified in the JPEG headers) are smaller than the ones of the selected region (set by gdcm::ImageRegionReader::SetRegion and usually based on DICOM header values).

tags | advisory
advisories | CVE-2015-8397
SHA-256 | 9fe160664c3de2590fc55b8d5d31baa051f09a4bfdb6a7eea28c5c6a6e20f826
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