Buffer overflow in Ftpshell Client
CVE-2018-7573
An issue was discovered in FTPShell Client 6.7. A remote FTP server can send 400 characters of 'F' in conjunction with the FTP 220 response code to crash the application; after this overflow, one can run arbitrary code on the victim machine. This is similar to CVE-2009-3364 and CVE-2017-6465.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.692 (99.4th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.608 · newest: 0.692 · change: +0.084
Affected products
- Ftpshell Client — versions 6.70
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/44968/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- cxsecurity.com/issue/WLB-2018030011 (Exploit, Third Party Advisory)
- www.exploit-db.com/exploits/44596/ (Exploit, VDB Entry, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2018-7573?
- CVE-2018-7573 is a critical-severity vulnerability in Ftpshell Client, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-03-01.
- How severe is CVE-2018-7573?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-7573 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.