Vulnerability in Apache Teaclave Sgx Sdk

CVE-2021-24117

In Apache Teaclave Rust SGX SDK 1.1.3, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.

EPSS: 0.022 (80.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-24117?
CVE-2021-24117 is a medium-severity vulnerability in Apache Teaclave Sgx Sdk, classified under Observable Discrepancy. CVSS score: 4.9/10. Published 2021-07-14.
How severe is CVE-2021-24117?
Medium severity. CVSS v3 base score is 4.9 out of 10.
Is CVE-2021-24117 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.