CVE-2019-7663

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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://bugzilla.maptools.org/show_bug.cgi?id=2833	Exploit Issue Tracking Third Party Advisory Patch
https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html	Mailing List Third Party Advisory
https://usn.ubuntu.com/3906-1/	Third Party Advisory
https://usn.ubuntu.com/3906-2/	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html	Mailing List Third Party Advisory
https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39	Patch Third Party Advisory
https://security.gentoo.org/glsa/202003-25
https://www.debian.org/security/2020/dsa-4670

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Configurations

Configuration 1 (hide)

cpe:2.3:a:libtiff:libtiff:4.0.10:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:12.04::::esm:::

Configuration 4 (hide)

cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*

Information

Published : 2019-02-09 08:29

Updated : 2020-08-24 10:37

NVD link : CVE-2019-7663

Mitre link : CVE-2019-7663

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

debian

debian_linux

canonical

ubuntu_linux

libtiff

libtiff

opensuse

leap

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