Home/CVE/A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction)
CVE

CVE-2018-17000

A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction)

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.

MEDIUM · CVSS 6.5 EPSS 0.01208
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

3
libtiffall versions
debian linuxall versions
canonical ubuntu linuxall versions
⚠

Public Exploits & PoCs

1
pocbugzilla.maptools.org · show_bug.cgi?id=2811bugzilla.maptools.org
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Sep 2018 · 04:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

5
suse-csafopenSUSE-SU-2024:11461-1
suse-csafSUSE-SU-2019:3058-1
suse-csafopenSUSE-SU-2019:1161-1
suse-csafSUSE-SU-2019:0786-1
usnUSN-3906-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
http://www.securityfocus.com/bid/105342Third Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2019/02/msg00026.htmlThird Party Advisory
https://usn.ubuntu.com/3906-1/Third Party Advisory
https://www.debian.org/security/2020/dsa-4670
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