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Integer underflow in libstagefright when processing MPEG4 covr atoms

CVE-2015-3827

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• CVE numbers: CVE-2015-3827 [Bulletin-CVE-2015-3827]
• Coordinated disclosure?: unknown
• Categories: Integer underflow in libstagefright when processing MPEG4 covr atoms
• Details: The MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in Android before 5.1.1 LMY48I does not validate the relationship between chunk sizes and skip sizes, which allows remote attackers to execute arbitrary code or cause a denial of service (integer underflow and memory corruption) via crafted MPEG-4 covr atoms, aka internal bug 20923261. [NIST-CVE-2015-3827]
• Discovered by: on: Unknown
• Reported on: 2015-08-01 [Bulletin-CVE-2015-3827]
• Fixed on: 2015-05-04 [ANDROID-20923261]
• Fix released on: Unknown
• Affected versions: 5.1 and below [Bulletin-CVE-2015-3827] regex: ([1-4].[0-9].[0-9])|(5.[0-1].[0-9])
• Affected devices:
• Affected manufacturers: all [Bulletin-CVE-2015-3827]
• Fixed versions:
• Submission: by: Daniel Carter, on: 2019-07-29