ARM mbedTLS における証明書検証に関する脆弱性
| Title |
ARM mbedTLS における証明書検証に関する脆弱性
|
| Summary |
ARM mbedTLS には、証明書検証に関する脆弱性が存在します。
|
| Possible impacts |
情報を改ざん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 |
April 6, 2018, midnight |
| Registration Date |
Sept. 5, 2018, 5:24 p.m. |
| Last Update |
Sept. 5, 2018, 5:24 p.m. |
|
CVSS3.0 : 重要
|
| Score |
7.5
|
| Vector |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
|
CVSS2.0 : 警告
|
| Score |
5
|
| Vector |
AV:N/AC:L/Au:N/C:N/I:P/A:N |
Affected System
| ARM Ltd. |
|
ARM mbed TLS 2.7.0 およびそれ以前
|
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
| No |
Changed Details |
Date of change |
| 1 |
[2018年09月05日]
掲載 |
Sept. 5, 2018, 5:24 p.m. |
NVD Vulnerability Information
CVE-2018-1000520
| Summary |
ARM mbedTLS version 2.7.0 and earlier contains a Ciphersuite Allows Incorrectly Signed Certificates vulnerability in mbedtls_ssl_get_verify_result() that can result in ECDSA-signed certificates are accepted, when only RSA-signed ones should be.. This attack appear to be exploitable via Peers negotiate a TLS-ECDH-RSA-* ciphersuite. Any of the peers can then provide an ECDSA-signed certificate, when only an RSA-signed one should be accepted..
|
| Publication Date |
June 27, 2018, 1:29 a.m. |
| Registration Date |
March 1, 2021, 6:40 p.m. |
| Last Update |
Nov. 21, 2024, 12:40 p.m. |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* |
|
2.7.0 |
|
|
Related information, measures and tools
Common Vulnerabilities List