What is CVE-2021-36219?

CVE-2021-36219 is a critical-severity vulnerability in Skale Sgxwallet, classified under Access of Uninitialized Pointer. CVSS score: 9.8/10. Published 2021-09-27.

How severe is CVE-2021-36219?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Skale Sgxwallet

CVE-2021-36219

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 t…

EPSS: 0.016 (72.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Skale Sgxwallet — versions 1.58.3
N/a — versions n/a

Weakness classification (CWE)

CWE-824 — Access of Uninitialized Pointer

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-36219?: CVE-2021-36219 is a critical-severity vulnerability in Skale Sgxwallet, classified under Access of Uninitialized Pointer. CVSS score: 9.8/10. Published 2021-09-27.
How severe is CVE-2021-36219?: Critical severity. CVSS v3 base score is 9.8 out of 10.