High severity · published Oct 26, 2023
CVE-2023-5139
Potential buffer overflow vulnerability in the Zephyr STM32 Crypto driver
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver
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)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZE
Zephyr · zephyrproject-rtos
before 3.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5139
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5139
Exploit
http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html
Mailing List
http://seclists.org/fulldisclosure/2023/Nov/1
Mailing List
http://www.openwall.com/lists/oss-security/2023/11/07/1
Exploit
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-rhrc-pcxp-4453
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