In openenclave before 0.10.0, enclaves that use x87 FPU operations are vulnerable to tampering by a malicious host application. By violating the Linux System V Application Binary Interface (ABI) for such operations, a host app can compromise the execution integrity of some x87 FPU operations in an enclave. Depending on the FPU control configuration of the enclave app and whether the operations are used in secret-dependent execution paths, this vulnerability may also be used to mount a side-channel attack on the enclave. This has been fixed in 0.10.0 and the current master branch. Users will need to recompile their applications against the patched libraries to be protected from this vulnerability.
                
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Affected Vendors & Products
References
        History
                    No history.
 MITRE
                        MITRE
                    Status: PUBLISHED
Assigner: GitHub_M
Published: 2020-07-15T21:21:38
Updated: 2024-08-04T13:08:21.928Z
Reserved: 2020-06-25T00:00:00
Link: CVE-2020-15107
 Vulnrichment
                        Vulnrichment
                    No data.
 NVD
                        NVD
                    Status : Modified
Published: 2020-07-15T22:15:13.967
Modified: 2024-11-21T05:04:49.570
Link: CVE-2020-15107
 Redhat
                        Redhat
                    No data.