CVE-2018-7456
Published: 24 February 2018
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.)
Priority
Status
Package | Release | Status |
---|---|---|
tiff Launchpad, Ubuntu, Debian |
hirsute |
Not vulnerable
(4.0.9-5)
|
artful |
Ignored
(end of life)
|
|
bionic |
Not vulnerable
(4.0.9-5)
|
|
cosmic |
Not vulnerable
(4.0.9-5)
|
|
disco |
Not vulnerable
(4.0.9-5)
|
|
eoan |
Not vulnerable
(4.0.9-5)
|
|
focal |
Not vulnerable
(4.0.9-5)
|
|
groovy |
Not vulnerable
(4.0.9-5)
|
|
trusty |
Released
(4.0.3-7ubuntu0.10)
|
|
upstream |
Released
(4.0.9-5)
|
|
xenial |
Released
(4.0.6-1ubuntu0.5)
|
|
Patches: upstream: https://gitlab.com/libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a96731b |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |