Vulnerability CVE-2017-9465


Published: 2017-06-06

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.

Type:

CWE-125

(Out-of-bounds Read)

Vendor: Virustotal
Product: YARA 
Version: 3.6.1;

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
Partial

 References:
https://github.com/VirusTotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661
https://github.com/VirusTotal/yara/issues/678

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