Heap-based Buffer Overflow in TNEFFillMapi Function in libytnef

CVE-2017-9146 · MEDIUM Severity

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

The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.

Learn more about our Api Penetration Testing.