Description
xml-security is a library that implements XML signatures and encryption. Validation of an XML signature requires verification that the hash value of the related XML-document matches a specific DigestValue-value, but also that the cryptographic signature on the SignedInfo-tree (the one that contains the DigestValue) verifies and matches a trusted public key. If an attacker somehow (i.e. by exploiting a bug in PHP's canonicalization function) manages to manipulate the canonicalized version's DigestValue, it would be possible to forge the signature. This issue has been patched in version 1.6.12 and 5.0.0-alpha.13.
Details
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| saml2 | โ | โ |
| simplesamlphp/saml2 | 5.0.0-alpha.12 | 5.0.0-alpha.13 |
| simplesamlphp/xml-security | 1.6.11 | 1.6.12 |
| xml-security | โ | โ |
References
Similar Threats
- High CVE-2023-41890
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