CVE-2017-7183
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
8.5
Description
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.
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
ExtraPuTTY 0.29-RC2 - Denial of Service
Source code queued for fetch — refresh in a moment.
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| extraputty | extraputty | {"endIncluding":"0.29"} | |
References
- http://packetstormsecurity.com/files/141705/ExtraPuTTY-029_rc2-Denial-Of-Service.html
- http://www.securityfocus.com/archive/1/540300/100/0/threaded
- http://www.securityfocus.com/bid/96973
- https://www.exploit-db.com/exploits/41639/
- http://packetstormsecurity.com/files/141705/ExtraPuTTY-029_rc2-Denial-Of-Service.html
- http://www.securityfocus.com/archive/1/540300/100/0/threaded
- http://www.securityfocus.com/bid/96973
- https://www.exploit-db.com/exploits/41639/
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.