Texas Instruments CC2538 3.0.1 Zigbee Protocol zclHandleExternal stack-based overflow

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5.5	$0-$5k	0.00

A vulnerability classified as problematic has been found in Texas Instruments CC2538 3.0.1. This affects the function zclHandleExternal of the component Zigbee Protocol Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-121. This is going to have an impact on availability. The summary by CVE is:

The Zigbee protocol implementation on Texas Instruments CC2538 devices with Z-Stack 3.0.1 does not properly process a ZCL Read Reporting Configuration Response message. It crashes in zclHandleExternal().

The weakness was shared 10/28/2020. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2020-27891 since 10/27/2020. The exploitability is told to be easy. The attack needs to approached within the local network. The successful exploitation requires a authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/29/2020).

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

Productinfoedit

Vendor

Texas Instruments

Name

CC2538

CPE 2.3infoedit

🔒

CPE 2.2infoedit

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CVSSv3infoedit

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

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VulDB Base Score: 🔒
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VulDB Reliability: 🔍

NVD Base Score: 🔒

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-121
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

10/27/2020 CVE assigned
10/28/2020 +1 days Advisory disclosed
10/28/2020 +0 days VulDB entry created
11/29/2020 +32 days VulDB last update

Sourcesinfoedit

Advisory: github.com
Status: Not defined

CVE: CVE-2020-27891 (🔒)

Entryinfoedit