NVD Vulnerability Detail

CVE-2021-24119

Summary	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.
Publication Date	July 14, 2021, 10:15 p.m.
Registration Date	July 15, 2021, 10 a.m.
Last Update	Nov. 21, 2024, 2:52 p.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:arm:mbed_tls::::::::					2.26.0

Related information, measures and tools

No	URL	タグ
1	https://github.com/ARMmbed/mbedtls/releases	Release Notes Third Party Advisory
2	https://github.com/ARMmbed/mbedtls/releases	Release Notes Third Party Advisory
3	https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md	Release Notes Third Party Advisory
4	https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md	Release Notes Third Party Advisory
5	https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html	Mailing List Third Party Advisory
6	https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html	Mailing List Third Party Advisory
7	https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html	Mailing List Third Party Advisory
8	https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html	Mailing List Third Party Advisory
9	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DRRVY7DMTX3ECFNZKDYTSFEG5AI2HBC6/	Mailing List Third Party Advisory
10	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DRRVY7DMTX3ECFNZKDYTSFEG5AI2HBC6/	Mailing List Third Party Advisory
11	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYJW7HAW3TDV2YMDFYXP3HD6WRQRTLJW/	Mailing List Third Party Advisory
12	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYJW7HAW3TDV2YMDFYXP3HD6WRQRTLJW/	Mailing List Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-203	セキュリティ関連の処理に対するレスポンスの違いに起因する情報漏えい	https://cwe.mitre.org/data/definitions/203.html

JVN Vulnerability Information

Trusted Firmware Mbed TLS における観測可能な不一致に関する脆弱性

Title	Trusted Firmware Mbed TLS における観測可能な不一致に関する脆弱性
Summary	Trusted Firmware Mbed TLS には、観測可能な不一致に関する脆弱性が存在します。
Possible impacts	情報を取得される可能性があります。
Solution	ベンダ情報および参考情報を参照して適切な対策を実施してください。
Publication Date	June 29, 2021, midnight
Registration Date	May 17, 2022, 3:16 p.m.
Last Update	May 17, 2022, 3:16 p.m.

Affected System

Debian

Debian GNU/Linux

Fedora Project

Fedora

ARM Ltd.

ARM mbed TLS 2.24.0

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2021-24119	https://www.cve.org/CVERecord?id=CVE-2021-24119
National Vulnerability Database (NVD)
2	CVE-2021-24119	https://nvd.nist.gov/vuln/detail/CVE-2021-24119

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-203	https://cwe.mitre.org/data/definitions/203.html

ベンダー情報

No	Name	URL
Debian
1	[SECURITY] [DLA 2826-1] mbedtls security update	https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html
Fedora Update Notification
2	FEDORA-2021-10bfc067d1	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DRRVY7DMTX3ECFNZKDYTSFEG5AI2HBC6/
3	FEDORA-2021-165969af24	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EYJW7HAW3TDV2YMDFYXP3HD6WRQRTLJW/
GitHub
4	Mbed TLS 3.1.0	https://github.com/ARMmbed/mbedtls/releases

その他

No	Name	URL
関連文書
1	Vulnerability information for CVE-2021-24119	https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md

Change Log

No	Changed Details	Date of change
1	[2022年05月17日] 掲載	May 17, 2022, 3:16 p.m.