VDB-157180 · CVE-2020-14977 · GCVE-0-2020-14977

F-Secure SAFE 17.7 on macOS XPC Service input validation

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.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in F-Secure SAFE 17.7 on macOS. Affected by this issue is some unknown functionality of the component XPC Service. Executing a manipulation can lead to input validation. This vulnerability is registered as CVE-2020-14977. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in F-Secure SAFE 17.7 on macOS and classified as critical. This vulnerability affects some unknown functionality of the component XPC Service. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in F-Secure SAFE 17.7 on macOS. The XPC services use the PID to identify the connecting client, which allows an attacker to perform a PID reuse attack and connect to a privileged XPC service, and execute privileged commands on the system. NOTE: the attacker needs to execute code on an already compromised machine.

The weakness was published 06/23/2020. This vulnerability was named CVE-2020-14977 since 06/22/2020. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

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

Similar entry is available at VDB-157181. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

F-Secure

Name

SAFE

Version

17.7

License

commercial

Website

Vendor: https://www.f-secure.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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

06/22/2020 🔍
06/23/2020 +1 days 🔍
06/24/2020 +1 days 🔍
06/24/2020 +0 days 🔍

Sourcesinfo

Vendor: f-secure.com

Status: Not defined

CVE: CVE-2020-14977 (🔍)
GCVE (CVE): GCVE-0-2020-14977
GCVE (VulDB): GCVE-100-157180
See also: 🔍

Entryinfo

Created: 06/24/2020 09:52
Updated: 06/24/2020 09:57
Changes: 06/24/2020 09:52 (37), 06/24/2020 09:57 (17)
Complete: 🔍
Cache ID: 216::103