Vulnerability Monitor

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CVE-2017-9465

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.

Published

2017-06-06T21:29:00.453

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

4.9

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	virustotal	yara	3.6.1	Yes

References

https://github.com/VirusTotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661 Patch, Third Party Advisory ([email protected])
https://github.com/VirusTotal/yara/issues/678 Exploit, Third Party Advisory ([email protected])
https://github.com/VirusTotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/VirusTotal/yara/issues/678 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)