Medium severity · published Sep 13, 2018
CVE-2018-17000
A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction) in LibTIFF 4.0.9 allows an attacker to cause a…
6.5
CVSS
3.2%
EPSS
No
On KEV
Description
A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction) in LibTIFF 4.0.9 allows an attacker to cause a denial-of-service through a crafted tiff file. This vulnerability can be triggered by the executable tiffcp.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
LI
Libtiff · Libtiff
4.0.9 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-17000
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-17000
Exploit
http://bugzilla.maptools.org/show_bug.cgi?id=2811
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
Third Party Advisory
http://www.securityfocus.com/bid/105342
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html
Third Party Advisory
https://usn.ubuntu.com/3906-1/
www.debian.org
https://www.debian.org/security/2020/dsa-4670
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