Buffer Overflow Vulnerability in libcoap Library by OBGM
CVE-2023-30362

7.5HIGH

Key Information:

Vendor

Libcoap

Status
Libcoap
Vendor
CVE Published:
23 June 2023

What is CVE-2023-30362?

The libcoap library, used widely for constrained applications, contains a buffer overflow vulnerability in the coap_send function. This issue arises when the function is fed malformed Protocol Data Units (PDUs), potentially leading to unintended access to sensitive information. The flaw has been addressed in version 4.3.1-120-ge242200, and users are encouraged to update to this version to safeguard their applications against possible exploitation.

References

https://github.com/obgm/libcoap/issues/1063
https://github.com/obgm/libcoap/pull/1065

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.