CVE-2019-7663

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file. This is different from CVE-2018-12900.

References

http://bugzilla.maptools.org/show_bug.cgi?id=2833

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

https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39

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

https://security.gentoo.org/glsa/202003-25

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

https://usn.ubuntu.com/3906-2/

https://www.debian.org/security/2020/dsa-4670

Details

Source: MITRE

Published: 2019-02-09

Updated: 2020-08-24

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

Tenable Plugins

View all (13 total)

IDNameProductFamilySeverity
136127Debian DSA-4670-1 : tiff - security updateNessusDebian Local Security Checks
high
134602GLSA-202003-25 : libTIFF: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
132156EulerOS 2.0 SP3 : libtiff (EulerOS-SA-2019-2621)NessusHuawei Local Security Checks
high
131619EulerOS 2.0 SP2 : libtiff (EulerOS-SA-2019-2466)NessusHuawei Local Security Checks
critical
131308SUSE SLED12 / SLES12 Security Update : tiff (SUSE-SU-2019:3058-1)NessusSuSE Local Security Checks
high
125581EulerOS Virtualization for ARM 64 3.0.2.0 : libtiff (EulerOS-SA-2019-1629)NessusHuawei Local Security Checks
high
124940EulerOS Virtualization 3.0.1.0 : libtiff (EulerOS-SA-2019-1437)NessusHuawei Local Security Checks
high
124440EulerOS 2.0 SP5 : libtiff (EulerOS-SA-2019-1313)NessusHuawei Local Security Checks
high
123816openSUSE Security Update : tiff (openSUSE-2019-1161)NessusSuSE Local Security Checks
high
123497SUSE SLED15 / SLES15 Security Update : tiff (SUSE-SU-2019:0786-1)NessusSuSE Local Security Checks
high
122811Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 18.10 : LibTIFF vulnerabilities (USN-3906-1)NessusUbuntu Local Security Checks
high
122289Fedora 29 : libtiff (2019-c83703be82)NessusFedora Local Security Checks
medium
122265Debian DLA-1680-1 : tiff security updateNessusDebian Local Security Checks
medium