Dell SupportAssist Client Costura Fody Plugin uncontrolled 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 (≈)
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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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Dell SupportAssist Client. Affected is an unknown function of the component Costura Fody Plugin. Such manipulation leads to uncontrolled search path. This vulnerability is documented as CVE-2021-21518. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Dell SupportAssist Client (affected version not known). Affected by this issue is some unknown functionality of the component Costura Fody Plugin. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. Using CWE to declare the problem leads to CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. Impacted is confidentiality, integrity, and availability.

The weakness was released 03/13/2021 as dsa-2021-052. The advisory is shared for download at dell.com. This vulnerability is handled as CVE-2021-21518. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/01/2021). The MITRE ATT&CK project declares the attack technique as T1574.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Uncontrolled search path
CWE: CWE-427 / CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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: 🔍

Timelineinfo

01/04/2021 🔍
03/13/2021 +68 days 🔍
03/13/2021 +0 days 🔍
04/01/2021 +19 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2021-052
Status: Confirmed

CVE: CVE-2021-21518 (🔍)
GCVE (CVE): GCVE-0-2021-21518
GCVE (VulDB): GCVE-100-171236

Entryinfo

Created: 03/13/2021 10:13
Updated: 04/01/2021 09:29
Changes: 03/13/2021 10:13 (36), 04/01/2021 09:24 (2), 04/01/2021 09:29 (8)
Complete: 🔍
Cache ID: 216::103

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