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CVE-2023-30362

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Date: June 22, 2023

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.

Language: C

Severity Score

Related Resources (5)

https://github.com/obgm/libcoap/issues/1063
https://nvd.nist.gov/vuln/detail/CVE-2023-30362
https://github.com/obgm/libcoap/pull/1065
https://security-tracker.debian.org/tracker/CVE-2023-30362
https://www.mend.io/vulnerability-database/CVE-2023-30362

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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Upgrade Version

Upgrade to version libcoap-sys - no_fix;libcoap-sys - 0.2.0+libcoap-develop-8b9377e

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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