CVE-2023-35862 — MEDIUM (6.5)

Vulnerability Description

libcoap 4.3.1 contains a buffer over-read via the function coap_parse_oscore_conf_mem at coap_oscore.c.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Libcoap	Libcoap	4.3.1

Related Weaknesses (CWE)

CWE-125

References

https://github.com/obgm/libcoap/issues/1117ExploitIssue TrackingThird Party Advisory
https://github.com/obgm/libcoap/pull/1118Patch
https://github.com/obgm/libcoap/tagsProduct
https://github.com/obgm/libcoap/issues/1117ExploitIssue TrackingThird Party Advisory
https://github.com/obgm/libcoap/pull/1118Patch
https://github.com/obgm/libcoap/tagsProduct

FAQ

What is CVE-2023-35862?

CVE-2023-35862 is a vulnerability with a CVSS score of 6.5 (MEDIUM). libcoap 4.3.1 contains a buffer over-read via the function coap_parse_oscore_conf_mem at coap_oscore.c.

How severe is CVE-2023-35862?

CVE-2023-35862 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-35862?

Check the references section above for vendor advisories and patch information. Affected products include: Libcoap Libcoap.