Integer signedness error in tls_verify_call_back() in src/coap_openssl.c in OISM libcoap...
Vulnerability Description
Integer signedness error in tls_verify_call_back() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted TLS certificate that causes i2d_X509() to return -1 and be misused as a malloc() size parameter.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Affected Software
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CVSS Vectors
Weaknesses (CWE)
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MITRE ATT&CK TTPs
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