7.8
HIGH
CVE-2019-9896
PuTTY FTPRootElement Content Injection Vulnerability
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.

INFO

Published Date :

March 21, 2019, 4:01 p.m.

Last Modified :

April 5, 2022, 8:13 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2019-9896 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-9896 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Opensuse leap
2 Opensuse backports_sle
1 Putty putty
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-9896.

URL Resource
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 Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20190404-0001/ Third Party Advisory
https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html Release Notes Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 8 months, 2 weeks ago
33 stars 3 fork 3 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.

None

Updated: 1 year, 3 months ago
17 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1050 different CVEs too.

None

Updated: 3 months ago
82 stars 32 fork 32 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1111 different CVEs too.

Potential malicious code execution via CHM hijacking (CVE-2019-9896)

HTML

Updated: 2 months, 3 weeks ago
5 stars 6 fork 6 watcher
Born at : May 13, 2019, 4:17 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-9896 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-9896 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Apr. 05, 2022

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html Mailing List, Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20190404-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20190404-0001/ Third Party Advisory
    Changed Reference Type https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html Third Party Advisory https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html Release Notes, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-20 CWE-427
  • CVE Modified by [email protected]

    Apr. 04, 2019

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20190404-0001/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 02, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 02, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html No Types Assigned https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html Third Party Advisory
    Added CWE CWE-20
    Added CPE Configuration AND OR *cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:* versions up to (excluding) 0.71 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-9896 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-9896 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability