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cveGitHub_MCVE-2023-49087
HistoryNov 30, 2023 - 6:15 a.m.

CVE-2023-49087

2023-11-3006:15:47
CWE-345
GitHub_M
web.nvd.nist.gov
15
20
cve-2023-49087
xml-security
library
vulnerability
patch
hash value
verification
signature
encryption

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

17.8%

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.

Affected configurations

Nvd
Vulners
Node
simplesamlphpsaml2Match5.0.0alpha12
OR
simplesamlphpxml-securityMatch1.6.11
VendorProductVersionCPE
simplesamlphpsaml25.0.0cpe:2.3:a:simplesamlphp:saml2:5.0.0:alpha12:*:*:*:*:*:*
simplesamlphpxml-security1.6.11cpe:2.3:a:simplesamlphp:xml-security:1.6.11:*:*:*:*:*:*:*

CNA Affected

[
  {
    "vendor": "simplesamlphp",
    "product": "xml-security",
    "versions": [
      {
        "version": "= 1.6.11",
        "status": "affected"
      },
      {
        "version": "= 5.0.0-alpha.12",
        "status": "affected"
      }
    ]
  }
]

Social References

More

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

17.8%