Buffer overflow in Nasa Cfitsio
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. An attacker can deliver an FIT image to trigger this vulnerability and potentially gain code execution.
Vulnerability class: Buffer Overflow
EPSS: 0.039 (89.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Nasa Cfitsio
- Talos Nasa Cfitsio — versions NASA CFITSIO 3.42
- Fedoraproject Fedora — versions 28
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (x_refsource_FEDORA, vendor-advisory)
- talos-cna@cisco.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-3848?
- CVE-2018-3848 is a high-severity vulnerability in Nasa Cfitsio, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-04-16.
- How severe is CVE-2018-3848?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-3848 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.