Improper input validation in Extraputty
CVE-2017-7183
The TFTP server in ExtraPuTTY 0.30 and earlier allows remote attackers to cause a denial of service (crash) via a large (1) read or (2) write TFTP protocol message.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.059 (93.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.059 · newest: 0.059 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/96973 (VDB Entry, Third Party Advisory, vdb-entry)
- packetstormsecurity.com/files/141705/ExtraPuTTY-029_rc2-Denial-Of-Service.html (Exploit, VDB Entry, Third Party Advisory)
- www.exploit-db.com/exploits/41639/ (exploit)
- www.securityfocus.com/archive/1/540300/100/0/threaded (mailing-list)
Frequently asked questions
- What is CVE-2017-7183?
- CVE-2017-7183 is a high-severity vulnerability in Extraputty, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-03-27.
- How severe is CVE-2017-7183?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-7183 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.