CVEvulnerability

CVE-2016-2563

9.8 CRITICAL Published 2016-04-07 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-04-07
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-119

Description

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.

Affected configurations

• 9bis kitty (<= 0.66.6.3) • simon tatham putty (<= 0.66)

Related

Weakness · CWE (1)

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

References