CVE-2018-3846

NameCVE-2018-3846
DescriptionIn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs892458

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
cfitsio (PTS)jessie3.370-2+deb8u1vulnerable
stretch3.410-1vulnerable
buster3.450-3fixed
bullseye, sid3.470-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
cfitsiosource(unstable)3.430-1low892458

Notes

[stretch] - cfitsio <no-dsa> (Minor issue)
[jessie] - cfitsio <no-dsa> (Minor issue)
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0529
Mitigated to a crash due to hardened build flags

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