CVE-2019-14973 Information

Description

_TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can for example lead to an application crash.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00102.html http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00023.html http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Updates.html https://gitlab.com/libtiff/libtiff/merge_requests/90 https://lists.debian.org/debian-lts-announce/2019/08/msg00031.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/63BVT6N5KQPHWOWM4B3I7Z3ODBXUVNPS/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ADNPG7JJTRRK22GUVTAFH3GJ6WGKUZJB/ https://seclists.org/bugtraq/2019/Nov/5 https://seclists.org/bugtraq/2020/Jan/32 https://www.debian.org/security/2020/dsa-4608 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