VulnerabilityAnalyzed

CVE-2019-25654

Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field.

HIGH 8.7EPSS 0.69%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field. Attackers can paste a malicious payload containing 7000 bytes of data into the domain configuration to trigger an application crash and deny service.

CVSS 4.0: 8.7 HIGHCVSS: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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.69% probability · 51th percentile
CISA KEV: Not listed
Weakness: CWE-787
Affected: coreftp/core ftp
Source: disclosure@vulncheck.com

References

http://www.coreftp.com/Product
http://www.coreftp.com/server/download/archive/CoreFTPServer589.42.exeProduct
https://www.exploit-db.com/exploits/46371Exploit, VDB Entry
https://www.vulncheck.com/advisories/core-ftp-sftp-server-denial-of-service-via-buffer-overflowThird Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.