CVE-2018-3846: Buffer Overflow
First published: Mon Apr 16 2018(Updated: )
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.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NASA CFITSIO | =3.42 | |
| 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-2018-0529
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K46I2MFPCEOGC5LLDXZSWPB3EBPON3KA/
Frequently Asked Questions
What is the vulnerability ID for this security issue?
The vulnerability ID for this security issue is CVE-2018-3846.
What is the severity of CVE-2018-3846?
The severity of CVE-2018-3846 is high with a CVSS score of 8.8.
Which software versions are affected by CVE-2018-3846?
NASA CFITSIO version 3.42 and Fedoraproject Fedora version 28 are affected by CVE-2018-3846.
What can an attacker potentially achieve through CVE-2018-3846?
An attacker can potentially gain code execution through CVE-2018-3846.
Are there any references related to CVE-2018-3846?
Yes, you can find more information about CVE-2018-3846 in the following references: 1. [Fedoraproject Fedora Security Announcement](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K46I2MFPCEOGC5LLDXZSWPB3EBPON3KA/) 2. [Gentoo Linux Security Advisory](https://security.gentoo.org/glsa/202101-24) 3. [Cisco Talos Vulnerability Report](https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0529)
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