CVE-2019-7663

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.

CVSS v3.0

6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

3.37% chance of exploitation in the next 30 days, 88th percentile

Published

2019-02-09

Updated

2024-08-04

Proof-of-concept exploits (1)

• http://bugzilla.maptools.org/show_bug.cgi?id=2833

References

• CVE Record
• NVD entry

Related

• CVE-2019-7662
• CVE-2019-7664
• CVE-2019-7656
• CVE-2019-7665
• CVE-2019-7652
• CVE-2019-7666