CVE-2021-24117 — MEDIUM (4.9)

Vulnerability 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.

CVSS Score

4.9

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Apache	Teaclave Sgx Sdk	1.1.3

Related Weaknesses (CWE)

CWE-203

References

https://docs.rs/crate/sgx_tstd/1.1.1ProductThird Party Advisory
https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.mPatchThird Party Advisory
https://github.com/dingelish/rust-base64/commit/a554b7ae880553db6dde8a387101a093Issue TrackingPatchThird Party Advisory
https://docs.rs/crate/sgx_tstd/1.1.1ProductThird Party Advisory
https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.mPatchThird Party Advisory
https://github.com/dingelish/rust-base64/commit/a554b7ae880553db6dde8a387101a093Issue TrackingPatchThird Party Advisory

FAQ

What is CVE-2021-24117?

CVE-2021-24117 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 controll...

How severe is CVE-2021-24117?

CVE-2021-24117 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-24117?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Teaclave Sgx Sdk.