Proxyman up to 1.11.0 on macOS Privileged Helper Tool Proxy data authenticity

HistoryDiffrelatejsonxmlCTI

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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Proxyman up to 1.11.0 on macOS. This vulnerability affects unknown code of the component Privileged Helper Tool. Such manipulation leads to data authenticity (Proxy). This vulnerability is traded as CVE-2019-20057. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Proxyman up to 1.11.0 on macOS (Firewall Software). Affected by this issue is an unknown function of the component Privileged Helper Tool. The manipulation with an unknown input leads to a data authenticity vulnerability (Proxy). Using CWE to declare the problem leads to CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. Impacted is confidentiality, integrity, and availability. CVE summarizes:

com.proxyman.NSProxy.HelperTool in Privileged Helper Tool in Proxyman for macOS 1.11.0 and earlier allows an attacker to change the System Proxy and redirect all traffic to an attacker-controlled computer, enabling MITM attacks.

The weakness was shared 12/29/2019. This vulnerability is handled as CVE-2019-20057 since 12/29/2019. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

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

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Productinfo

Type

Firewall Software

Name

Proxyman

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.7
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

Name: Proxy
Class: Data authenticity / Proxy
CWE: CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/29/2019 🔍
12/29/2019 +0 days 🔍
12/30/2019 +1 days 🔍
03/18/2024 +1540 days 🔍

Sourcesinfo

Advisory: 364
Status: Not defined

CVE: CVE-2019-20057 (🔍)
GCVE (CVE): GCVE-0-2019-20057
GCVE (VulDB): GCVE-100-147854

Entryinfo

Created: 12/30/2019 09:21
Updated: 03/18/2024 09:15
Changes: 12/30/2019 09:21 (36), 12/30/2019 09:26 (18), 03/18/2024 09:15 (18)
Complete: 🔍
Cache ID: 216::103