6.5med

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

CVSS
6.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.0%
percentile 87%
Public exploits
0
none known

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 byVersionScoreVector
NVD3.06.5CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

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

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.