CVE-2017-9304

Description

libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule that is mishandled in the _yr_re_emit function.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.36%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/VirusTotal/yara/commit/925bcf3c3b0a28b5b78e25d9efda5c0bf27ae699 patch
https://github.com/VirusTotal/yara/issues/674 patch issue tracking

Frequently Asked Questions

What is the severity of CVE-2017-9304?
CVE-2017-9304 has been scored as a high severity vulnerability.
How to fix CVE-2017-9304?
To fix CVE-2017-9304, 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-2017-9304 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-9304 is being actively exploited. 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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