CVE-2021-24117

Description

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.

Category

4.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.66% Top 30%
Third-Party Advisory docs.rs Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://docs.rs/crate/sgx_tstd/1.1.1 third party advisory product
https://github.com/dingelish/rust-base64/commit/a554b7ae880553db6dde8a387101a093911d5b2a issue tracking third party advisory patch
https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-24117?
CVE-2021-24117 has been scored as a medium severity vulnerability.
How to fix CVE-2021-24117?
To fix CVE-2021-24117, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24117 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-24117 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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