Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2017-9465 |
CWE-ID | CWE-125 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
YARA Server applications / Server solutions for antivurus protection |
Vendor | VirusTotal |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU38890
Risk: Medium
CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-9465
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in The yr_arena_write_data function in YARA 3.6.1. A remote attacker can perform 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.
MitigationInstall update from vendor's website.
Vulnerable software versionsYARA: 3.6.1
External linkshttp://github.com/VirusTotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661
http://github.com/VirusTotal/yara/issues/678
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.