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.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://github.com/VirusTotal/yara/issues/678
Patch, Third Party Advisory x_refsource_confirm
https://github.com/VirusTotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661
Scores
CVSS v3
7.1
EPSS
0.0013
EPSS Percentile
32.4%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (1)
virustotal/yara
3.6.1
Published
Jun 06, 2017
Tracked Since
Feb 18, 2026