CVE-2023-5139 json
Potential buffer overflow vulnerability in the Zephyr STM32 Crypto driver
published 2023-10-26 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-57477
- cvss
- 4.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
Summary
Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-rhrc-pcxp-4453 referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- zephyrproject-rtos Zephyr
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
github.com
/zephyrproject-rtos/zephyr/security/advisories/GHSA-rhrc-pcxp-4453
exploit, vendor-advisory
-
packetstormsecurity.com
/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html
exploit, third-party-advisory
-
openwall.com
/lists/oss-security/2023/11/07/1
mailing-list
-
seclists.org
/fulldisclosure/2023/Nov/1
mailing-list, third-party-advisory
Sources
- CVE List CVE-2023-5139
- NVD CVE-2023-5139
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