CVE-2017-9465

Public Exploit

Description

The yr_arena_write_data function in YARA 3.6.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) or obtain sensitive information from process memory via a crafted file that is mishandled in the yr_re_fast_exec function in libyara/re.c and the _yr_scan_match_callback function in libyara/scan.c.

Category

7.1
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.24%
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/678 third party advisory exploit
https://github.com/VirusTotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-9465?
CVE-2017-9465 has been scored as a high severity vulnerability.
How to fix CVE-2017-9465?
To fix CVE-2017-9465, 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-2017-9465 being actively exploited in the wild?
It is possible that CVE-2017-9465 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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