NULL pointer dereference in UnRar - CVE-2017-14121

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Main Vulnerability Database Vulnerabilities #VU38367

NULL pointer dereference in UnRar - CVE-2017-14121

Published: September 3, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU38367
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-14121
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
UnRar
Software vendor:
RARLAB

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in unrarlib.c in unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a NULL pointer dereference flaw triggered by a specially crafted RAR archive. A remote attacker can perform a denial of service (DoS) attack.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links