CVE-2018-17000

medium

Description

A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction) in LibTIFF 4.0.9 allows an attacker to cause a denial-of-service through a crafted tiff file. This vulnerability can be triggered by the executable tiffcp.

References

http://bugzilla.maptools.org/show_bug.cgi?id=2811

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html

http://www.securityfocus.com/bid/105342

https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html

https://usn.ubuntu.com/3906-1/

Details

Source: MITRE

Published: 2018-09-13

Updated: 2019-04-05

Type: CWE-476

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 6.5

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

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM