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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.022 (82.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Apache Teaclave Sgx Sdk — versions 1.1.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- docs.rs/crate/sgx_tstd/1.1.1 (Product, Third Party Advisory)
- github.com/dingelish/rust-base64/commit/a554b7ae880553db6dde8a387101a093911d5b2a (Patch, Third Party Advisory, Issue Tracking)
- github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md (Patch, Third Party Advisory)
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.