CVE-2018-5784

Public Exploit

Description

In LibTIFF 4.0.9, there is an uncontrolled resource consumption in the TIFFSetDirectory function of tif_dir.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted tif file. This occurs because the declared number of directory entries is not validated against the actual number of directory entries.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.84% Top 30%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/3606-1/ third party advisory vendor advisory
https://usn.ubuntu.com/3602-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00022.html third party advisory mailing list
https://www.debian.org/security/2018/dsa-4349 third party advisory vendor advisory
http://bugzilla.maptools.org/show_bug.cgi?id=2772 third party advisory issue tracking exploit
https://lists.debian.org/debian-lts-announce/2018/07/msg00002.html third party advisory mailing list
https://gitlab.com/libtiff/libtiff/commit/473851d211cf8805a161820337ca74cc9615d6ef third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2018-5784?
CVE-2018-5784 has been scored as a medium severity vulnerability.
How to fix CVE-2018-5784?
To fix CVE-2018-5784, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5784 being actively exploited in the wild?
It is possible that CVE-2018-5784 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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