Critical severity · published Sep 27, 2023
CVE-2023-4260
Potential off-by-one buffer overflow vulnerability in the Zephyr fuse file system
10.0
CVSS
0.9%
EPSS
No
On KEV
Description
Potential off-by-one buffer overflow vulnerability in the Zephyr fuse file system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZE
Zephyr · Zephyrproject
through 3.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4260
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4260
Third Party Advisory
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-gj27-862r-55wh
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