Vulnerability Details : CVE-2018-17000
Potential exploit
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2018-17000
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-17000
0.52%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-17000
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2018-17000
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-17000
-
https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html
[SECURITY] [DLA 1680-1] tiff security updateThird Party Advisory
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https://usn.ubuntu.com/3906-1/
USN-3906-1: LibTIFF vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
[security-announce] openSUSE-SU-2019:1161-1: moderate: Security update f
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https://www.debian.org/security/2020/dsa-4670
Debian -- Security Information -- DSA-4670-1 tiff
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http://www.securityfocus.com/bid/105342
LibTIFF 'tif_unix.c' Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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http://bugzilla.maptools.org/show_bug.cgi?id=2811
Bug 2811 – A null pointer deference in function _TIFFmemcmp at tif_unix.c:352 in libtiff4.0.9 (CVE-2018-17000)Exploit;Issue Tracking;Third Party Advisory
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