CVEs-PoC/2017/CVE-2017-9239.md

CVE-2017-9239

Description

An issue was discovered in Exiv2 0.26. When the data structure of the structure ifd is incorrect, the program assigns pValue_ to 0x0, and the value of pValue() is 0x0. TiffImageEntry::doWriteImage will use the value of pValue() to cause a segmentation fault. To exploit this vulnerability, someone must open a crafted tiff file.

POC

Reference

• https://github.com/lolo-pop/poc/tree/master/Segmentation%20fault%20in%20convert-test%28exiv2%29
• https://github.com/lolo-pop/poc/tree/master/Segmentation%20fault%20in%20convert-test(exiv2)

Github

• https://github.com/andir/nixos-issue-db-example