CVE-2021-24119

In Trusted Firmware Mbed TLS 2.24.0, 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 v3.0 4.9 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.9^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/ARMmbed/mbedtls/releases	Release Notes Third Party Advisory
https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md	Release Notes Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DRRVY7DMTX3ECFNZKDYTSFEG5AI2HBC6/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYJW7HAW3TDV2YMDFYXP3HD6WRQRTLJW/	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*

Information

Published : 2021-07-14 06:15

Updated : 2023-02-23 16:11

NVD link : CVE-2021-24119

Mitre link : CVE-2021-24119

JSON object : View

CWE

CWE-203

Observable Discrepancy

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Products Affected

debian

debian_linux

arm

mbed_tls

fedoraproject

fedora

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