Null pointer dereference in Libextractor - CVE-2017-17440
Published: July 26, 2018 / Updated: July 26, 2018
Vulnerability identifier: #VU14021
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-17440
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 cause DoS condition on the target system.
The vulnerability exists in the EXTRACTOR_xm_extract_method function in plugins/xm_extractor.c due to an error when processing malicious input. A remote attacker can send a specially crafted GIF, IT (Impulse Tracker), NSFE, S3M (Scream Tracker 3), SID, or XM (eXtended Module) file, trigger NULL pointer derference and cause the service to crash.
How to mitigate CVE-2017-17440
Update to version 1.7.