VDB-229399 · CVE-2023-0965 · GCVE-0-2023-0965

Silicon Labs Gecko Platform SDK up to 4.2.1 sli_cryptoacc_transparent_key_agreement compiler removal of code to clear buffers

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Silicon Labs Gecko Platform SDK up to 4.2.1. Impacted is the function sli_cryptoacc_transparent_key_agreement. This manipulation causes compiler removal of code to clear buffers. The identification of this vulnerability is CVE-2023-0965. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Silicon Labs Gecko Platform SDK up to 4.2.1. It has been declared as problematic. Affected by this vulnerability is the function sli_cryptoacc_transparent_key_agreement. The manipulation with an unknown input leads to a compiler removal of code to clear buffers vulnerability. The CWE definition for the vulnerability is CWE-14. Sensitive memory is cleared according to the source code, but compiler optimizations leave the memory untouched when it is not read from again, aka "dead store removal." As an impact it is known to affect confidentiality. The summary by CVE is:

Compiler removal of buffer clearing in sli_cryptoacc_transparent_key_agreement in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.

The weakness was shared 05/19/2023. It is possible to read the advisory at community.silabs.com. This vulnerability is known as CVE-2023-0965 since 02/22/2023. Technical details of the vulnerability are known, but there is no available exploit.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Silicon Labs

Name

Gecko Platform SDK

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 3.1
CNA Vector (Silicon Labs): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Compiler removal of code to clear buffers
CWE: CWE-14
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/22/2023 🔍
05/19/2023 +85 days 🔍
05/19/2023 +0 days 🔍
06/14/2023 +26 days 🔍

Sourcesinfo

Advisory: community.silabs.com
Status: Confirmed

CVE: CVE-2023-0965 (🔍)
GCVE (CVE): GCVE-0-2023-0965
GCVE (VulDB): GCVE-100-229399

Entryinfo

Created: 05/19/2023 07:19
Updated: 06/14/2023 09:01
Changes: 05/19/2023 07:19 (47), 06/14/2023 09:01 (11)
Complete: 🔍
Cache ID: 216::103