CVE-2023-35862

MEDIUM
Published Jun 19, 20233y ago · Modified Jun 17, 20261w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Jun 19, 2023 3y ago
Last Modified Jun 17, 2026 1w ago

Description

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

CVSS Details

Base Score
6.5
Exploitability
2.8
Impact
3.6
Vector string
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

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 1

VendorProductVersionRange
libcoaplibcoap4.3.1any

References 3

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

Remediation

  • github.com https://github.com/obgm/libcoap/pull/1118
    Patch