PuTTY on Windows Installer putty-0.68-installer.exe privileges management ⚔ [Disputed]

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in PuTTY on Windows. This affects an unknown function of the file putty-0.68-installer.exe of the component Installer. This manipulation causes privileges management. It is possible to launch the attack on the local host. Additionally, an exploit exists. The real existence of this vulnerability is still doubted at the moment.

Detailsinfo

A vulnerability classified as problematic was found in PuTTY on Windows (Connectivity Software) (version now known). Affected by this vulnerability is some unknown processing of the file putty-0.68-installer.exe of the component Installer. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 03/04/2017 by Stefan Kanthak as Executable installers are defective^WEVIL (case 1): putty-0.68-installer.exe as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. The vendor was not involved in the public release. Attacking locally is a requirement. Required for exploitation is a single authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

A public exploit has been developed by Stefan Kanthak and been published immediately after the advisory. It is possible to download the exploit at seclists.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Stefan Kanthak
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

02/24/2017 🔍
03/04/2017 +8 days 🔍
03/04/2017 +0 days 🔍
03/11/2017 +7 days 🔍
08/19/2020 +1257 days 🔍

Sourcesinfo

Advisory: Executable installers are defective^WEVIL (case 1): putty-0.68-installer.exe
Researcher: Stefan Kanthak
Status: Not defined
Disputed: 🔍

GCVE (VulDB): GCVE-100-97831
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/11/2017 08:15
Updated: 08/19/2020 07:00
Changes: 03/11/2017 08:15 (47), 08/19/2020 07:00 (2)
Complete: 🔍
Cache ID: 216::103

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