CVE-2018-17000 — NULL Pointer Dereference in Tiff

CWE-476 — NULL Pointer DereferenceCWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-190 — Integer Overflow or WraparoundCWE-822 — Untrusted Pointer Dereference12 documents7 sources
Severity
6.5MEDIUMNVD
EPSS
1.2%
top 21.01%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Debian TiffCanonical Ubuntu LinuxDebian Linux+1 more
Timeline
PublishedSep 13
Latest updateMay 14

Description

A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction) in LibTIFF 4.0.9 allows an attacker to cause a denial-of-service through a crafted tiff file. This vulnerability can be triggered by the executable tiffcp.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶NVDlibtiff/libtiff4.0.9
▶debiandebian/tiff< tiff 4.0.10-4 (bookworm)

Also affects: Debian Linux 8.0, Ubuntu Linux 14.04, 16.04, 18.04, 18.10

🔴Vulnerability Details

2
GHSA
GHSA-xf25-29fj-q584: A NULL pointer dereference in the function _TIFFmemcmp at tif_unix↗2022-05-14
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OSV
CVE-2018-17000: A NULL pointer dereference in the function _TIFFmemcmp at tif_unix↗2018-09-13
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📋Vendor Advisories

4
Ubuntu
LibTIFF vulnerabilities↗2019-03-12
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Red Hat
libtiff: integer overflow in libtiff/tif_dirwrite.c resulting in an invalid pointer dereference↗2018-12-18
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Red Hat
libtiff: NULL pointer dereference in function _TIFFmemcmp at tif_unix.c↗2018-09-13
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Debian
CVE-2018-17000: tiff - A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called fro...↗2018
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💬Community

5
Bugzilla
CVE-2019-7663 libtiff: integer overflow in libtiff/tif_dirwrite.c resulting in an invalid pointer dereference↗2019-02-15
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Bugzilla
CVE-2018-17000 libtiff: NULL pointer dereference in function _TIFFmemcmp at tif_unix.c↗2018-09-17
▶
Bugzilla
CVE-2018-17000 mingw-libtiff: libtiff: NULL pointer dereference in function _TIFFmemcmp at tif_unix.c [fedora-all]↗2018-09-17
▶
Bugzilla
CVE-2018-17000 mingw-libtiff: libtiff: NULL pointer dereference in function _TIFFmemcmp at tif_unix.c [epel-7]↗2018-09-17
▶
Bugzilla
CVE-2018-17000 libtiff: NULL pointer dereference in function _TIFFmemcmp at tif_unix.c [fedora-all]↗2018-09-17
▶