Improper input validation in PuTTY - #VU12366
Published: May 5, 2018 / Updated: October 31, 2022
Vulnerability identifier: #VU12366
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Simon Tatham
Affected software:
PuTTY
PuTTY
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to unspecified input validation error when processing data, received from SSH server. A remote attacker can trick the victim to connect to a specially crafted SSH server and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
The vulnerability exists due to unspecified input validation error when processing data, received from SSH server. A remote attacker can trick the victim to connect to a specially crafted SSH server and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Remediation
Install update from vendor's website.