High severity · published Aug 1, 2018
CVE-2018-3847
Multiple exploitable buffer overflow vulnerabilities exist in image parsing functionality of the CFITSIO library version 3.42
8.8
CVSS
2.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
CFITSIO · NASA
3.42 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-3847
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-3847
Third Party Advisory
https://security.gentoo.org/glsa/202101-24
Exploit
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0530
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CVE-2018-3849
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8.8
CVE-2018-3848
In the ffghbn function in NASA CFITSIO 3.42, specially crafted images parsed via the library can cause a stack-based buffer overflow overwriting arbitrary data
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CVE-2018-3846
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
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