NULL pointer dereference in uftpd - CVE-2020-14149

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Main Vulnerability Database Vulnerabilities #VU29489

NULL pointer dereference in uftpd - CVE-2020-14149

Published: July 2, 2020


Vulnerability identifier: #VU29489
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-14149
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
uftpd
Software vendor:
Joachim Nilsson

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 uftpd within the handle_CWD in ftpcmd.c when processing the CWD /. command. A remote authenticated user can send a specially crafted command to the server and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

External links