Vulnerability Description
In LibTIFF 4.0.9, there is a NULL pointer dereference in the TIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a denial of service attack, as demonstrated by tiffset.
CVSS Score
6.5
MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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=2820ExploitIssue TrackingThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-
- http://www.securityfocus.com/bid/105932Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/Nov/5
- https://security.gentoo.org/glsa/202003-25
- 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=2820ExploitIssue TrackingThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-
- http://www.securityfocus.com/bid/105932Third Party AdvisoryVDB Entry
FAQ
What is CVE-2018-19210?
CVE-2018-19210 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In LibTIFF 4.0.9, there is a NULL pointer dereference in the TIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a denial of service attack, as demonstrated by tiffset.
How severe is CVE-2018-19210?
CVE-2018-19210 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-2018-19210?
Check the references section above for vendor advisories and patch information. Affected products include: Libtiff Libtiff, Debian Debian Linux, Canonical Ubuntu Linux.