CVE-2018-7456
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, 4.0.0alph…
Published 8 y ago · modified 4 mo ago · JSON
Summary
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.)
Exploit prediction (EPSS)
2.99% probability of exploitation in the next 30 days, higher than 87% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
- CWE-476 NULL Pointer Dereference
References
- lists.debian.org /debian-lts-announce/2018/04/msg00011.html · mailing-list, x_refsource_MLIST, x_transferred
- usn.ubuntu.com /3864-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
- debian.org /security/2018/dsa-4349 · vendor-advisory, x_refsource_DEBIAN, x_transferred
- github.com /xiaoqx/pocs/tree/master/libtiff · x_refsource_MISC, x_transferred
- bugzilla.maptools.org /show_bug.cgi?id=2778 · x_refsource_MISC, x_transferred
- lists.debian.org /debian-lts-announce/2018/07/msg00002.html · mailing-list, x_refsource_MLIST, x_transferred
- lists.debian.org /debian-lts-announce/2018/04/msg00010.html · mailing-list, x_refsource_MLIST, x_transferred
- gitlab.com /libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a96731b · x_refsource_CONFIRM, x_transferred
- access.redhat.com /errata/RHSA-2019:2051 · vendor-advisory, x_refsource_REDHAT, x_transferred
- access.redhat.com /errata/RHSA-2019:2053 · vendor-advisory, x_refsource_REDHAT, x_transferred
Sources
- CVE List: CVE-2018-7456
- NVD: CVE-2018-7456
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