CVE-2018-3846

Public Exploit

Description

In the ffgphd and ffgtkn functions in NASA CFITSIO 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 1.52% Top 20%
Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org
Affected: Talos NASA CFITSIO
Published at:
Updated at:

References

Link Tags
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K46I2MFPCEOGC5LLDXZSWPB3EBPON3KA/ vendor advisory
https://security.gentoo.org/glsa/202101-24 third party advisory vendor advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0529 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2018-3846?
CVE-2018-3846 has been scored as a high severity vulnerability.
How to fix CVE-2018-3846?
To fix CVE-2018-3846, 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-2018-3846 being actively exploited in the wild?
It is possible that CVE-2018-3846 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-3846?
CVE-2018-3846 affects Talos NASA CFITSIO.
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