Integer Overflow and Heap-Based Buffer Over-read in Exiv2::getULong Function in types.cpp (CVE-2020-0001)

CVE-2017-17725 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:N/A:P

In Exiv2 0.26, there is an integer overflow leading to a heap-based buffer over-read in the Exiv2::getULong function in types.cpp. Remote attackers can exploit the vulnerability to cause a denial of service via a crafted image file. Note that this vulnerability is different from CVE-2017-14864, which is an invalid memory address dereference.

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