Vulnerability Monitor

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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

2021-07-14T14:15:08.810

Last Modified

2024-11-21T05:52:23.567

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-203

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apache	teaclave_sgx_sdk	1.1.3	Yes

References

https://docs.rs/crate/sgx_tstd/1.1.1 Product, Third Party Advisory ([email protected])
https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md Patch, Third Party Advisory ([email protected])
https://github.com/dingelish/rust-base64/commit/a554b7ae880553db6dde8a387101a093911d5b2a Issue Tracking, Patch, Third Party Advisory ([email protected])
https://docs.rs/crate/sgx_tstd/1.1.1 Product, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/dingelish/rust-base64/commit/a554b7ae880553db6dde8a387101a093911d5b2a Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)