CVE-2017-9239 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

http://dev.exiv2.org/issues/1295 http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00009.html http://www.securityfocus.com/bid/98720 https://github.com/lolo-pop/poc/tree/master/Segmentation20fault20in20convert-test(exiv2) https://usn.ubuntu.com/3852-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5