CVE-2018-7644
SimpleSAMLphp Improper Verification of Cryptographic Signature
7.5
HIGH
CVSS 3.1
EPSS 1.3%
描述
The XmlSecLibs library as used in the saml2 library in SimpleSAMLphp before 1.15.3 incorrectly verifies signatures on SAML assertions, allowing a remote attacker to construct a crafted SAML assertion on behalf of an Identity Provider that would pass as cryptographically valid, thereby allowing them to impersonate a user from that Identity Provider, aka a key confusion issue.
如何修補 CVE-2018-7644
要修補 CVE-2018-7644,請將受影響套件升級到下列已修補版本。
- —升級至 1.15.3-1 或更新版本
- —升級至 1.10.5 或更新版本
CVE-2018-7644 正在被利用嗎?
低 — EPSS 為 1.3%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 1.15.3-1
- from 0, < 1.10.5
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |