CVE-2018-7456 | BDVDB-2026-97111 Detail
Description#
A NULL Pointer Dereference occurs in the function TIFFPrintDirectory in tif_print.c in LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 when using the tiffinfo tool to print crafted TIFF information, a different vulnerability than CVE-2017-18013. (This affects an earlier part of the TIFFPrintDirectory function that was not addressed by the CVE-2017-18013 patch.)
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://lists.debian.org/debian-lts-announce/2018/04/msg00011.html
- https://usn.ubuntu.com/3864-1/
- https://www.debian.org/security/2018/dsa-4349
- https://github.com/xiaoqx/pocs/tree/master/libtiff
- http://bugzilla.maptools.org/show_bug.cgi?id=2778
- https://lists.debian.org/debian-lts-announce/2018/07/msg00002.html
- https://lists.debian.org/debian-lts-announce/2018/04/msg00010.html
- https://gitlab.com/libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a96731b
- https://access.redhat.com/errata/RHSA-2019:2051
- https://access.redhat.com/errata/RHSA-2019:2053
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.