5.5med
CVE-2018-19975
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.
Published 7 y ago · modified 4 mo ago · JSON
CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.4%
percentile 72%
Public exploits
0
none known
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.
Exploit prediction (EPSS)
1.37% probability of exploitation in the next 30 days, higher than 72% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 7.1 | AV:N/AC:M/Au:N/C:C/I:N/A:N |
Classification
- Weakness
- CWE-125 Out-of-bounds Read
References
- bnbdr.github.io /posts/extracheese/ · x_refsource_MISC, x_transferred
- github.com /VirusTotal/yara/issues/999 · x_refsource_CONFIRM, x_transferred
- github.com /bnbdr/swisscheese/ · x_refsource_MISC, x_transferred
- lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T · vendor-advisory, x_refsource_FEDORA, x_transferred
Sources
- CVE List: CVE-2018-19975
- NVD: CVE-2018-19975
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