PuTTY up to Beta 0.67 putty.exe untrusted search path

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in PuTTY up to Beta 0.67. Affected by this vulnerability is an unknown functionality in the library UxTheme.dll/ntmarta.dll of the file putty.exe. This manipulation causes untrusted search path. This vulnerability is registered as CVE-2016-6167. The attack needs to be launched locally. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in PuTTY up to Beta 0.67 (Connectivity Software) and classified as problematic. Affected by this vulnerability is some unknown functionality in the library UxTheme.dll/ntmarta.dll of the file putty.exe. The manipulation with an unknown input leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple untrusted search path vulnerabilities in Putty beta 0.67 allow local users to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse (1) UxTheme.dll or (2) ntmarta.dll file in the current working directory.

The weakness was published 07/07/2016 by Sachin Wagh as not defined posting (Bugtraq). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2016-6167. The exploitation appears to be easy. An attack has to be approached locally. A single authentication is required for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1574 for this issue.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1036236†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Connectivity Software

Name

• PuTTY

Version

• Beta 0.0
• Beta 0.1
• Beta 0.2
• Beta 0.3
• Beta 0.4
• Beta 0.5
• Beta 0.6
• Beta 0.7
• Beta 0.8
• Beta 0.9
• Beta 0.10
• Beta 0.11
• Beta 0.12
• Beta 0.13
• Beta 0.14
• Beta 0.15
• Beta 0.16
• Beta 0.17
• Beta 0.18
• Beta 0.19
• Beta 0.20
• Beta 0.21
• Beta 0.22
• Beta 0.23
• Beta 0.24
• Beta 0.25
• Beta 0.26
• Beta 0.27
• Beta 0.28
• Beta 0.29
• Beta 0.30
• Beta 0.31
• Beta 0.32
• Beta 0.33
• Beta 0.34
• Beta 0.35
• Beta 0.36
• Beta 0.37
• Beta 0.38
• Beta 0.39
• Beta 0.40
• Beta 0.41
• Beta 0.42
• Beta 0.43
• Beta 0.44
• Beta 0.45
• Beta 0.46
• Beta 0.47
• Beta 0.48
• Beta 0.49
• Beta 0.50
• Beta 0.51
• Beta 0.52
• Beta 0.53
• Beta 0.54
• Beta 0.55
• Beta 0.56
• Beta 0.57
• Beta 0.58
• Beta 0.59
• Beta 0.60
• Beta 0.61
• Beta 0.62
• Beta 0.63
• Beta 0.64
• Beta 0.65
• Beta 0.66
• Beta 0.67

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 100935
OpenVAS Name: PuTTY DLL Hijacking Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/05/2016 🔍
07/07/2016 +2 days 🔍
07/07/2016 +0 days 🔍
07/08/2016 +1 days 🔍
01/30/2017 +206 days 🔍
09/01/2022 +2040 days 🔍

Sourcesinfo

Advisory: 137742⛔
Researcher: Sachin Wagh
Status: Not defined

CVE: CVE-2016-6167 (🔍)
GCVE (CVE): GCVE-0-2016-6167
GCVE (VulDB): GCVE-100-88825
SecurityTracker: 1036236 - PuTTY DLL Loading Error Lets Local Users Gain Elevated Privileges

Entryinfo

Created: 07/08/2016 10:22
Updated: 09/01/2022 08:11
Changes: 07/08/2016 10:22 (40), 04/19/2017 10:32 (17), 09/01/2022 08:06 (3), 09/01/2022 08:11 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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