CVE-2018-17100 Information

Description

An issue was discovered in LibTIFF 4.0.9. There is a int32 overflow in multiply_ms in tools/ppm2tiff.c which can cause a denial of service (crash) or possibly have unspecified other impact via a crafted image file.

CVSS Vector

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

Reference

http://bugzilla.maptools.org/show_bug.cgi?id=2810 https://access.redhat.com/errata/RHSA-2019:2053 https://gitlab.com/libtiff/libtiff/merge_requests/33/diffs?commit_id=6da1fb3f64d43be37e640efbec60400d1f1ac39e https://lists.debian.org/debian-lts-announce/2018/10/msg00019.html https://usn.ubuntu.com/3864-1/ https://usn.ubuntu.com/3906-2/ https://www.debian.org/security/2020/dsa-4670

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8