Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libtiff | Libtiff | 4.0.9 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://bugzilla.maptools.org/show_bug.cgi?id=2811ExploitIssue TrackingThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- http://www.securityfocus.com/bid/105342Third Party AdvisoryVDB 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=2811ExploitIssue TrackingThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- http://www.securityfocus.com/bid/105342Third Party AdvisoryVDB 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
FAQ
What is CVE-2018-17000?
CVE-2018-17000 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 craf...
How severe is CVE-2018-17000?
CVE-2018-17000 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-17000?
Check the references section above for vendor advisories and patch information. Affected products include: Libtiff Libtiff, Debian Debian Linux, Canonical Ubuntu Linux.