9.8crit

CVE-2016-2563in critical feed1 exploit

Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to ca…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
32.8%
percentile 98%
Public exploits
1
Exploit-DB

Summary

Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service (stack memory corruption) or execute arbitrary code via a crafted SCP-SINK file-size response to an SCP download request.

Exploit prediction (EPSS)

32.80% probability of exploitation in the next 30 days, higher than 98% of all scored CVEs.

Exploits and detections

  • EDB-39551 Putty pscp 0.66 - Stack Buffer Overwrite · dos · 2016-03-10

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • lists.opensuse.org /opensuse-updates/2016-05/msg00131.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • securitytracker.com /id/1035257 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • security.gentoo.org /glsa/201606-01 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • securityfocus.com /bid/84296 · vdb-entry, x_refsource_BID, x_transferred
  • chiark.greenend.org.uk /~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html · x_refsource_CONFIRM, x_transferred
  • github.com /tintinweb/pub/tree/master/pocs/cve-2016-2563 · x_refsource_MISC, x_transferred
  • seclists.org /fulldisclosure/2016/Mar/22 · mailing-list, x_refsource_FULLDISC, 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.