DCE/RPC Fragmentation Flaw in Samba Network File Sharing

CVE-2021-23192

What is CVE-2021-23192?

A security flaw exists in Samba's handling of DCE/RPC requests where an attacker can exploit large fragmented requests. If a client sends a massive DCE/RPC request and opts for fragmentation, it is possible for the attacker to modify the later fragments, thereby evading the signature verification process. This vulnerability poses a significant risk as it can potentially allow unauthorized access to sensitive information.

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