CVE-2018-12034

Public Exploit

Description

In YARA 3.7.1 and prior, parsing a specially crafted compiled rule file can cause an out of bounds read vulnerability in yr_execute_code in libyara/exec.c.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.21%
Third-Party Advisory github.io Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/VirusTotal/yara/issues/891 issue tracking third party advisory patch
https://bnbdr.github.io/posts/swisscheese/ third party advisory exploit
https://github.com/bnbdr/swisscheese third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2018-12034?
CVE-2018-12034 has been scored as a high severity vulnerability.
How to fix CVE-2018-12034?
To fix CVE-2018-12034, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-12034 being actively exploited in the wild?
It is possible that CVE-2018-12034 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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