VulnerabilityModified
CVE-2018-17000
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.
MEDIUM 6.5EPSS 3.26%
Does this matter?
Lower severity and a low EPSS score (3.26%). Track it; it rarely justifies an emergency change on its own.
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 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 3.26% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- libtiff/libtiff · debian/debian linux · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://bugzilla.maptools.org/show_bug.cgi?id=2811Exploit, Issue Tracking, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- http://www.securityfocus.com/bid/105342Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.htmlThird Party Advisory
- https://usn.ubuntu.com/3906-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4670
- http://bugzilla.maptools.org/show_bug.cgi?id=2811Exploit, Issue Tracking, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- http://www.securityfocus.com/bid/105342Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.htmlThird Party Advisory
- https://usn.ubuntu.com/3906-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4670
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.