CVE-2018-19210

MEDIUM

Description

In LibTIFF 4.0.9, there is a NULL pointer dereference in the TIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a denial of service attack, as demonstrated by tiffset.

References

http://bugzilla.maptools.org/show_bug.cgi?id=2820

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

http://www.securityfocus.com/bid/105932

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

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

Details

Source: MITRE

Published: 2018-11-12

Updated: 2019-04-05

Type: CWE-476

Risk Information

CVSS v2.0

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 v3.0

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