NULL pointer dereference in Libextractor - CVE-2018-20431
Published: December 25, 2018
Vulnerability identifier: #VU16688
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-20431
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Libextractor
Libextractor
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dreference error in the function process_metadata() in plugins/ole2_extractor.c. A remote attacker can perform a denial of service (DoS) attack.
How to mitigate CVE-2018-20431
Install update from vendor's website.