CVE-2021-24117

CVSS V2 Medium 4 CVSS V3 Medium 4.9
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.
Overview
  • CVE ID
  • CVE-2021-24117
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-07-14T14:15:08
  • Last Modified Date
  • 2022-05-13T17:36:58
Weakness Enumerations
CWE URL
CWE-203 http://cwe.mitre.org/data/definitions/203.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:apache:teaclave_sgx_sdk:1.1.3:*:*:*:*:rust:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 4.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md Patch Third Party Advisory
https://docs.rs/crate/sgx_tstd/1.1.1 Product Third Party Advisory
https://github.com/dingelish/rust-base64/commit/a554b7ae880553db6dde8a387101a093911d5b2a Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-24117
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24117
History
Created Old Value New Value Data Type Notes
2022-05-10 06:57:51 Added to TrackCVE
2022-12-05 06:05:35 2021-07-14T14:15Z 2021-07-14T14:15:08 CVE Published Date updated
2022-12-05 06:05:35 2022-05-13T17:36:58 CVE Modified Date updated
2022-12-05 06:05:35 Analyzed Vulnerability Status updated