Vulnerability Details : CVE-2022-24936
Out-of-Bounds error in GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier allows attacker to overwrite flash Sign key and OTA decryption key via malicious bootloader upgrade.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2022-24936
- cpe:2.3:a:silabs:gecko_bootloader:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-24936
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-24936
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
3.9
|
5.2
|
NIST | |
|
8.3
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H |
2.8
|
5.5
|
Silicon Labs |
CWE ids for CVE-2022-24936
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: product-security@silabs.com (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-24936
-
https://github.com/SiliconLabs/gecko_sdk/blame/2e82050dc8823c9fe0e8908c1b2666fb83056230/platform/bootloader/core/btl_bootload.c
gecko_sdk/platform/bootloader/core/btl_bootload.c at 2e82050dc8823c9fe0e8908c1b2666fb83056230 · SiliconLabs/gecko_sdk · GitHubExploit;Third Party Advisory
-
https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000Gdop4QAB?operationContext=S1
Silicon Labs LoginPermissions Required;Vendor Advisory
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