CVE-2019-9896

HIGH

PuTTY <0.71 - Code Injection

Title source: llm

Description

In PuTTY versions before 0.71 on Windows, local attackers could hijack the application by putting a malicious help file in the same directory as the executable.

Exploits (1)

nomisec WORKING POC 7 stars

by yasinyilmaz · poc

https://github.com/yasinyilmaz/vuln-chm-hijack

View Code ZIP pw:eip

References (4)

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html

[Third Party Advisory] https://security.netapp.com/advisory/ntap-20190404-0001/

[Release Notes, Third Party Advisory] https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html

Scores

CVSS v3 7.8

EPSS 0.0216

EPSS Percentile 84.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-427

Status published

Affected Products (3)

putty/putty < 0.71

opensuse/backports_sle

opensuse/leap

Timeline

Published Mar 21, 2019

Tracked Since Feb 18, 2026