Out-of-bounds write in YARA - CVE-2018-12035
Published: August 8, 2018
Vulnerability identifier: #VU14223
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-12035
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: VirusTotal
Affected software:
YARA
YARA
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the yr_execute_code function, as defined in the source code file libyara/exec.c due to out-of-bounds write. A remote attacker can trick the victim into accessing a YARA rule that submits malicious input, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
How to mitigate CVE-2018-12035
Update to version 3.8.0.