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CVE-2021-24117

Date: July 14, 2021

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.

Language: RUST

Severity Score

Related Resources (5)

https://github.com/dingelish/rust-base64/commit/a554b7ae880553db6dde8a387101a093911d5b2a
https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md
https://nvd.nist.gov/vuln/detail/CVE-2021-24117
https://docs.rs/crate/sgx_tstd/1.1.1
https://www.mend.io/vulnerability-database/CVE-2021-24117

Severity Score

Weakness Type (CWE)

Observable Discrepancy

CWE-203

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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