#VU27860 Out-of-bounds read in FreeBSD - CVE-2020-7455
Published: May 12, 2020
Vulnerability identifier: #VU27860
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-7455
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
FreeBSD
FreeBSD
Software vendor:
FreeBSD Foundation
FreeBSD Foundation
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within libalias(3) library when calculating length in FTP packets. A remote attacker can send specially crafted FTP packet to the system, trigger an out-pf-bounds read and read contents of kernel or natd process memory on the system.
Remediation
Install updates from vendor's website.