spx_restservice SubNet_handler_func Multiple Command Injections and Stack-Based Buffer Overflows
CVE-2021-26727

Summary
Multiple command injections and stack-based buffer overflows vulnerabilities in the SubNet_handler_func function of spx_restservice allow an attacker to execute arbitrary code with the same privileges as the server user (root).
Impact
An un-authenticated remote attacker would be able to execute arbitrary code with root privileges on the BMC and, potentially, abuse it to also compromise the managed host.
Issue Date
October 21, 2022
Affects
The vulnerability affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0
CVE Name
CVE-2021-26727
CVSS Details
CVSS Score
10
Solution
Updated BMC firmware versions that fix the issue are available from Lanner technical support
Acknowledgments
Andrea Palanca of Nozomi Networks
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