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CVE-2021-24117

MEDIUM
4.9
CVSS Score
Published: July 14, 2021 at 01:09 PM UTC
Updated: June 17, 2026 at 03:39 AM UTC
1 product affected across 1 vendorTeaclave Sgx SDK

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Severity
MEDIUM4.9
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCProductThird Party Advisory
Source: [email protected]
https://docs.rs/crate/sgx_tstd/1.1.1
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md
x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/dingelish/rust-base64/commit/a554b7ae880553db6dde8a387101a093911d5b2a

CVSS

4.9MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-203

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