Realtek Bluetooth Mesh SDK on Linux/Android Segmented Packet Link buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Realtek Bluetooth Mesh SDK on Linux/Android and classified as critical. Affected by this vulnerability is an unknown functionality of the component Segmented Packet Handler. The manipulation of the argument Link leads to buffer overflow. This vulnerability is documented as CVE-2022-26529. The attack requires being on the local network. There is not any exploit available.

Detailsinfo

A vulnerability was found in Realtek Bluetooth Mesh SDK on Linux/Android (the affected version unknown) and classified as critical. This issue affects an unknown part of the component Segmented Packet Handler. The manipulation of the argument link with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Realtek Linux/Android Bluetooth Mesh SDK has a buffer overflow vulnerability due to insufficient validation for segmented packets’ link parameter. An unauthenticated attacker in the adjacent network can exploit this vulnerability to cause buffer overflow and disrupt service.

The weakness was released 08/30/2022. The advisory is shared at twcert.org.tw. The identification of this vulnerability is CVE-2022-26529 since 03/07/2022. Technical details are known, but no exploit is 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

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (TWCERT/CC): 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

03/07/2022 🔍
08/30/2022 +175 days 🔍
08/30/2022 +0 days 🔍
08/30/2022 +0 days 🔍

Sourcesinfo

Advisory: twcert.org.tw
Status: Not defined

CVE: CVE-2022-26529 (🔍)
GCVE (CVE): GCVE-0-2022-26529
GCVE (VulDB): GCVE-100-207581
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 08/30/2022 14:06
Changes: 08/30/2022 14:06 (49)
Complete: 🔍
Cache ID: 216::103

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