CVE-2018-3849: Buffer Overflow
First published: Mon Apr 16 2018(Updated: )
In the ffghtb function 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.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NASA CFITSIO | <3.490 | |
| Fedoraproject Fedora | =28 |
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Reference Links
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K46I2MFPCEOGC5LLDXZSWPB3EBPON3KA/
- https://security.gentoo.org/glsa/202101-24
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0531
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K46I2MFPCEOGC5LLDXZSWPB3EBPON3KA/
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2018-3849.
What is the severity of CVE-2018-3849?
The severity of CVE-2018-3849 is high with a CVSS score of 8.8.
Which software is affected by CVE-2018-3849?
The NASA CFITSIO library versions up to exclusive 3.490 and Fedora version 28 are affected by CVE-2018-3849.
How can an attacker exploit CVE-2018-3849?
An attacker can deliver a specially crafted FIT image to trigger a stack-based buffer overflow in the ffghtb function of NASA CFITSIO 3.42, potentially gaining code execution.
Are there any references related to CVE-2018-3849?
Yes, here are some references related to CVE-2018-3849: [Reference 1](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K46I2MFPCEOGC5LLDXZSWPB3EBPON3KA/), [Reference 2](https://security.gentoo.org/glsa/202101-24), [Reference 3](https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0531).
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