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Vulnerability Details :

CVE-2021-3485

Summary
Assigner-Bitdefender
Assigner Org ID-b3d5ebe7-963e-41fb-98e1-2edaeabb8f82
Published At-24 May, 2021 | 13:30
Updated At-16 Sep, 2024 | 16:28
Rejected At-
Credits

Improper Input Validation in Bitdefender Endpoint Security Tools for Linux

An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linux allows a man-in-the-middle attacker to abuse the DownloadFile function of the Product Update to achieve remote code execution. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.155.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Bitdefender
Assigner Org ID:b3d5ebe7-963e-41fb-98e1-2edaeabb8f82
Published At:24 May, 2021 | 13:30
Updated At:16 Sep, 2024 | 16:28
Rejected At:
▼CVE Numbering Authority (CNA)
Improper Input Validation in Bitdefender Endpoint Security Tools for Linux

An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linux allows a man-in-the-middle attacker to abuse the DownloadFile function of the Product Update to achieve remote code execution. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.155.

Affected Products
Vendor
BitdefenderBitdefender
Product
Endpoint Security Tools for Linux
Default Status
unaffected
Versions
Affected
  • From unspecified before 6.2.21.155 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-494CWE-494 Download of Code Without Integrity Check
Type: CWE
CWE ID: CWE-494
Description: CWE-494 Download of Code Without Integrity Check
Metrics
VersionBase scoreBase severityVector
3.16.4MEDIUM
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

An automatic update to version 6.2.21.155 fixes the issue.

Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.bitdefender.com/support/security-advisories/improper-input-validation-in-bitdefender-endpoint-security-tools-for-linux-va-9769
x_refsource_MISC
https://herolab.usd.de/security-advisories/usd-2021-0014/
x_refsource_MISC
Hyperlink: https://www.bitdefender.com/support/security-advisories/improper-input-validation-in-bitdefender-endpoint-security-tools-for-linux-va-9769
Resource:
x_refsource_MISC
Hyperlink: https://herolab.usd.de/security-advisories/usd-2021-0014/
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.bitdefender.com/support/security-advisories/improper-input-validation-in-bitdefender-endpoint-security-tools-for-linux-va-9769
x_refsource_MISC
x_transferred
https://herolab.usd.de/security-advisories/usd-2021-0014/
x_refsource_MISC
x_transferred
Hyperlink: https://www.bitdefender.com/support/security-advisories/improper-input-validation-in-bitdefender-endpoint-security-tools-for-linux-va-9769
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://herolab.usd.de/security-advisories/usd-2021-0014/
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve-requests@bitdefender.com
Published At:24 May, 2021 | 14:15
Updated At:16 Sep, 2024 | 17:15

An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linux allows a man-in-the-middle attacker to abuse the DownloadFile function of the Product Update to achieve remote code execution. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.155.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.6MEDIUM
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Secondary3.16.4MEDIUM
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary2.06.0MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 6.6
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 6.0
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:S/C:P/I:P/A:P
CPE Matches
Bitdefender
bitdefender
>>endpoint_security_tools>>Versions before 6.2.21.155(exclusive)
cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:linux:*:*
Weaknesses
CWE IDTypeSource
CWE-494Primarycve-requests@bitdefender.com
CWE-494Secondarynvd@nist.gov
CWE ID: CWE-494
Type: Primary
Source: cve-requests@bitdefender.com
CWE ID: CWE-494
Type: Secondary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://herolab.usd.de/security-advisories/usd-2021-0014/cve-requests@bitdefender.com
Exploit
Third Party Advisory
https://www.bitdefender.com/support/security-advisories/improper-input-validation-in-bitdefender-endpoint-security-tools-for-linux-va-9769cve-requests@bitdefender.com
Vendor Advisory
Hyperlink: https://herolab.usd.de/security-advisories/usd-2021-0014/
Source: cve-requests@bitdefender.com
Resource:
Exploit
Third Party Advisory
Hyperlink: https://www.bitdefender.com/support/security-advisories/improper-input-validation-in-bitdefender-endpoint-security-tools-for-linux-va-9769
Source: cve-requests@bitdefender.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

Similar CVEs

0Records found
CVE-2022-24140
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-6.6||MEDIUM
EPSS-0.89% / 74.56%
||
7 Day CHG~0.00%
Published-06 Jul, 2022 | 12:41
Updated-03 Aug, 2024 | 04:07
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

IOBit Advanced System Care 15, iTop Screen Recorder 2.1, iTop VPN 3.2, Driver Booster 9, and iTop Screenshot sends HTTP requests in their update procedure in order to download a config file. After downloading the config file, the products will parse the HTTP location of the update from the file and will try to install the update automatically with ADMIN privileges. An attacker Intercepting this communication can supply the product a fake config file with malicious locations for the updates thus gaining a remote code execution on an endpoint.

Action-Not Available
Vendor-iobitn/a
Product-advanced_system_caredriver_boosteritop_screen_recorderitop_screenshotitop_vpnn/a
CWE ID-CWE-494
Download of Code Without Integrity Check
Details not found