Improper input validation in libevt - CVE-2018-8754
Published: April 3, 2018
Vulnerability identifier: #VU11477
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-8754
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: libevt
Affected software:
libevt
libevt
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The weakness exists in the libevt_record_values_read_event() function in libevt_record_values.c due to improper checking of out-of-bounds values of user SID data size, strings size, or data size. A remote attacker can submit a specially crafted EVT file, cause the service to crash or execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists in the libevt_record_values_read_event() function in libevt_record_values.c due to improper checking of out-of-bounds values of user SID data size, strings size, or data size. A remote attacker can submit a specially crafted EVT file, cause the service to crash or execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
How to mitigate CVE-2018-8754
Update to version 20180317.