Vulnerability DatabaseCVE-2023-30362
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CVE-2023-30362
Published:June 23, 2023
Updated:May 18, 2026
Buffer Overflow vulnerability in coap_send function in libcoap library 4.3.1-103-g52cfd56 fixed in 4.3.1-120-ge242200 allows attackers to obtain sensitive information via malformed pdu.
Affected Packages
libcoap-sys (RUST):
Affected version(s) >=0.1.0 <0.2.0+libcoap-develop-8b9377e
Fix Suggestion:
Update to version 0.2.0+libcoap-develop-8b9377e
libcoap-sys (RUST):
Affected version(s) >=0.2.1+libcoap-4.3.1 <=0.2.2+libcoap-4.3.1
Fix Suggestion:
Update to version no_fix
Related Resources (3)
https://github.com/obgm/libcoap/issues/1063
https://github.com/obgm/libcoap/pull/1065
https://security-tracker.debian.org/tracker/CVE-2023-30362
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Out-of-bounds Read
CWE-125
EPSS
Base Score:
0.19