An issue was discovered in SKALE sgxwallet 1.58.3. The provided input for ECALL 14 triggers a branch in trustedEcdsaSign that frees a non-initialized pointer from the stack. An attacker can chain multiple enclave calls to prepare a stack that contains a valid address. This address is then freed, resulting in compromised integrity of the enclave. This was resolved after v1.58.3 and not reproducible in sgxwallet v1.77.0.
{
"extracted_events": [
{
"cpe": "cpe:2.3:a:skale:sgxwallet:1.58.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.58.3"
},
{
"last_affected": "1.58.3"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "4e9b5b7526db083177e81f8bafeaa4914d276a82"
}
],
"source": "REFERENCES_COMMIT"
}
]
}