Realtek Bluetooth HCI Adaptor prior 1.1.73.1 link following

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Realtek Bluetooth HCI Adaptor and classified as critical. The impacted element is an unknown function. Such manipulation leads to link following. This vulnerability is referenced as CVE-2024-11857. The attack can only be performed from a local environment. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Realtek Bluetooth HCI Adaptor. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Bluetooth HCI Adaptor from Realtek has a Link Following vulnerability. Local attackers with regular privileges can create a symbolic link with the same name as a specific file, causing the product to delete arbitrary files pointed to by the link. Subsequently, attackers can leverage arbitrary file deletion to privilege escalation.

The advisory is available at twcert.org.tw. This vulnerability is handled as CVE-2024-11857 since 11/27/2024. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

Upgrading to version 1.1.73.1 eliminates this vulnerability.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

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: 🔍

CNA Base Score: 7.8
CNA Vector (twcert): 🔍

CVSSv2info

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

Exploitinginfo

Class: Link following
CWE: CWE-59
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bluetooth HCI Adaptor 1.1.73.1

Timelineinfo

11/27/2024 🔍
06/02/2025 +186 days 🔍
06/02/2025 +0 days 🔍
06/03/2025 +1 days 🔍

Sourcesinfo

Advisory: twcert.org.tw
Status: Confirmed

CVE: CVE-2024-11857 (🔍)
GCVE (CVE): GCVE-0-2024-11857
GCVE (VulDB): GCVE-100-310790

Entryinfo

Created: 06/02/2025 08:20
Updated: 06/03/2025 06:18
Changes: 06/02/2025 08:20 (74), 06/03/2025 06:18 (1)
Complete: 🔍
Cache ID: 216::103

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