CVSS 3.1 Score 6.8 of 10 (medium)


Published Nov 30, 2023
Updated: Dec 6, 2023
CWE ID 345


CVE-2023-49087 is a vulnerability that affects the xml-security library, which is used for implementing XML signatures and encryption. The vulnerability allows an attacker to forge a signature by manipulating the DigestValue in the canonicalized version of an XML document. This manipulation can occur if there is a bug in PHP's canonicalization function. The issue has been patched in versions 1.6.12 and 5.0.0-alpha.13 of xml-security. The vulnerability has a base severity of MEDIUM and an exploitability score of 2.2 out of 10. It poses a high integrity impact but no confidentiality impact. The attack vector is through the network, and no user interaction or privileges are required for exploitation.

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