An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://bugzilla.maptools.org/show_bug.cgi?id=2833
- https://usn.ubuntu.com/3906-1/
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html
- https://usn.ubuntu.com/3906-2/
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39
- https://security.gentoo.org/glsa/202003-25
- https://www.debian.org/security/2020/dsa-4670
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libtiff
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.