CVE-2018-19975

NameCVE-2018-19975
DescriptionIn YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs916932

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
yara (PTS)buster3.9.0-1fixed
bullseye4.0.5-1fixed
bookworm4.2.3-4fixed
sid, trixie4.5.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
yarasource(unstable)3.8.1-2916932

Notes

[stretch] - yara <no-dsa> (Minor issue)
[jessie] - yara <no-dsa> (Minor issue)
https://github.com/VirusTotal/yara/issues/999
https://bnbdr.github.io/posts/extracheese/
https://github.com/bnbdr/swisscheese/
https://github.com/VirusTotal/yara/commit/6acc08d7329413f60e0976be017e18a581450d7a
https://github.com/VirusTotal/yara/commit/d8f714891ed92da15d50b397b74d1d9431e9c54c

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