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5.5
CVSSv3

CVE-2018-19975

Published: 17/12/2018 Updated: 07/11/2023
CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 632
Vector: AV:N/AC:M/Au:N/C:C/I:N/A:N

Vulnerability Summary

In 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.

Vulnerability Trend

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virustotal yara 3.8.1

Vendor Advisories

Debian CVElist Bug Report Logs: yara: CVE-2018-19974, CVE-2018-19975, CVE-2018-19976
Debian Bug report logs - #916932 yara: CVE-2018-19974, CVE-2018-19975, CVE-2018-19976 Package: yara; Maintainer for yara is Debian Security Tools <team+pkg-security@trackerdebianorg>; Source for yara is src:yara (PTS, buildd, popcon) Reported by: Markus Koschany <apo@debianorg> Date: Thu, 20 Dec 2018 16:21:01 UTC ...

References

CWE-125https://github.com/VirusTotal/yara/issues/999https://github.com/bnbdr/swisscheese/https://bnbdr.github.io/posts/extracheese/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916932https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
cross-site scriptingCVE-2024-5158XML external entityCVE-2024-4262CVE-2024-2036CVE-2024-4985CVE-2024-21791remote attackersCVE-2023-43208
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