Home/CVE/An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibT
CVE

CVE-2019-7663

An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibT

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.

MEDIUM · CVSS 6.5 EPSS 0.00547
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
▤

Affected Products & Versions

4
libtiffall versions
debian linuxall versions
canonical ubuntu linuxall versions
opensuse leapall versions
⚠

Public Exploits & PoCs

1
pocbugzilla.maptools.org · show_bug.cgi?id=2833bugzilla.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 NVD09 Feb 2019 · 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

6
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-3906-2
🔗

References & Sources

7
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.htmlMailing ListThird Party Advisory
https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00026.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202003-25
https://usn.ubuntu.com/3906-1/Third Party Advisory
https://usn.ubuntu.com/3906-2/Third Party Advisory
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