CVE-2017-5924 - libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free

CVE-2017-5924

Summary

libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule that is mishandled in the yr_compiler_destroy function.

References

http://www.securityfocus.com/bid/98075
https://github.com/VirusTotal/yara/commit/7f02eca670f29c00a1d2c305e96febae6ce5d37b
https://github.com/VirusTotal/yara/issues/593

Vulnerable Configurations

cpe:2.3:a:virustotal:yara:3.5.0:*:*:*:*:*:*:*
cpe:2.3:a:virustotal:yara:3.5.0:*:*:*:*:*:*:*

CVSS

Base:	5.0 (as of 02-05-2017 - 01:59)
Impact:
Exploitability:

CWE

CWE-416

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

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

refmap via4

bid	98075
confirm	https://github.com/VirusTotal/yara/commit/7f02eca670f29c00a1d2c305e96febae6ce5d37b https://github.com/VirusTotal/yara/issues/593

Last major update

02-05-2017 - 01:59

Published

03-04-2017 - 05:59

Last modified

02-05-2017 - 01:59