High severity · published Oct 20, 2023
CVE-2023-3487
Integer overflow in Silicon Labs Gecko Bootloader leads to unbounded memory access
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
An integer overflow in Silicon Labs Gecko Bootloader version 4.3.1 and earlier allows unbounded memory access when reading from or writing to storage slots.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GS
GSDK · silabs.com
1.0 through 4.3.1 · source: vendor
GB
Gecko Bootloader · Silabs
through 4.3.1 · source: NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-3487
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-3487
Permissions Required
https://community.silabs.com/s/contentdocument/0698Y00000ZmXqLQAV
Release Notes
https://github.com/SiliconLabs/gecko_sdk/releases
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