Second Stage Gecko Bootloader GBL Parser Buffer Overrun Vulnerability
CVE-2023-4041

9.8CRITICAL

Key Information:

Vendor
CVE Published:
23 August 2023

What is CVE-2023-4041?

A vulnerability in the Silicon Labs Gecko Bootloader affects both the Standalone and Application versions, resulting in a buffer overflow that allows for code injection and potential authentication bypass. This flaw arises from inadequate size checks during buffer copy operations and an out-of-bounds write condition, which may enable attackers to execute unauthorized code and compromise the integrity of the firmware. Measures should be taken to patch affected versions and safeguard against such exploits.

Affected Version(s)

Gecko Bootloader ARM 0

Gecko Bootloader ARM 0 < 4.3.1

Gecko Bootloader ARM 0 < 4.2.4

References

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.