Input validation error in Suricata - CVE-2019-10055

 

Input validation error in Suricata - CVE-2019-10055

Published: August 28, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU35586
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-10055
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Open Information Security Foundation
Affected software:
Suricata

Detailed vulnerability description

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

An issue was discovered in Suricata 4.1.3. The function ftp_pasv_response lacks a check for the length of part1 and part2, leading to a crash within the ftp/mod.rs file.


How to mitigate CVE-2019-10055

Install update from vendor's website.

Sources