CVE-2018-7443

Public Exploit

Description

The ReadTIFFImage function in coders/tiff.c in ImageMagick 7.0.7-23 Q16 does not properly validate the amount of image data in a file, which allows remote attackers to cause a denial of service (memory allocation failure in the AcquireMagickMemory function in MagickCore/memory.c).

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.60%
Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.debian.org/debian-lts-announce/2018/02/msg00028.html third party advisory mailing list
https://github.com/ImageMagick/ImageMagick/issues/999 third party advisory issue tracking exploit
https://usn.ubuntu.com/3681-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00030.html mailing list

Frequently Asked Questions

What is the severity of CVE-2018-7443?
CVE-2018-7443 has been scored as a medium severity vulnerability.
How to fix CVE-2018-7443?
To fix CVE-2018-7443, 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-2018-7443 being actively exploited in the wild?
It is possible that CVE-2018-7443 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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