CVE-2018-19210 Information

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.

CVSS Vector

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

Reference

http://bugzilla.maptools.org/show_bug.cgi?id=2820 http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Updates.html http://www.securityfocus.com/bid/105932 https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C6IL2QFKE6MGVUTOPU2UUWITTE36KRDF/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TX5UEYHGMTNEHJB4FHE7HCJ75UQDNKGB/ https://seclists.org/bugtraq/2019/Nov/5 https://security.gentoo.org/glsa/202003-25 https://usn.ubuntu.com/3906-1/ 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

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5