Vulnerability CVE-2021-36218
Published: 2021-09-27

Description:
An issue was discovered in SKALE sgxwallet 1.58.3. sgx_disp_ippsAES_GCMEncrypt allows an out-of-bounds write, resulting in a segfault and compromised enclave. This issue describes a buffer overflow, which was resolved prior to v1.77.0 and not reproducible in latest sgxwallet v1.77.0

Type:

CWE-787

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Skale -> Sgxwallet 

 References:
https://github.com/skalenetwork/sgxwallet/releases
https://github.com/skalenetwork/sgxwallet/commit/77425c862ad20cd270d42c54f3d63e1eb4e02195
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