7.5high

CVE-2017-71831 exploit

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) wri…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
5.9%
percentile 93%
Public exploits
1
Exploit-DB

Summary

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.

Exploit prediction (EPSS)

5.95% probability of exploitation in the next 30 days, higher than 93% of all scored CVEs.

Exploits and detections

  • EDB-41639 ExtraPuTTY 0.29-RC2 - Denial of Service · dos · 2017-03-20

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • securityfocus.com /bid/96973 · vdb-entry, x_refsource_BID, x_transferred
  • packetstormsecurity.com /files/141705/ExtraPuTTY-029_rc2-Denial-Of-Service.html · x_refsource_MISC, x_transferred
  • exploit-db.com /exploits/41639/ · exploit, x_refsource_EXPLOIT-DB, x_transferred
  • securityfocus.com /archive/1/540300/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.