CVE-2018-3847

Public Exploit

Description

Multiple exploitable buffer overflow vulnerabilities exist in image parsing functionality of the CFITSIO library version 3.42. Specially crafted images parsed via the library, can cause a stack-based buffer overflow overwriting arbitrary data. An attacker can deliver an FIT image to trigger this vulnerability and potentially gain code execution.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.50%
Vendor Advisory gentoo.org
Affected: NASA CFITSIO
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/202101-24 third party advisory vendor advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0530 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2018-3847?
CVE-2018-3847 has been scored as a high severity vulnerability.
How to fix CVE-2018-3847?
To fix CVE-2018-3847, 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-2018-3847 being actively exploited in the wild?
It is possible that CVE-2018-3847 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.
What software or system is affected by CVE-2018-3847?
CVE-2018-3847 affects NASA CFITSIO.
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