id: GO-2020-0046
modules:
    - module: github.com/russellhaering/goxmldsig
      versions:
        - fixed: 1.1.1
      vulnerable_at: 1.1.0
      packages:
        - package: github.com/russellhaering/goxmldsig
          symbols:
            - ValidationContext.validateSignature
          derived_symbols:
            - ValidationContext.Validate
    - module: github.com/russellhaering/gosaml2
      versions:
        - fixed: 0.7.0
      vulnerable_at: 0.6.0
      packages:
        - package: github.com/russellhaering/gosaml2
          symbols:
            - SAMLServiceProvider.validateAssertionSignatures
          derived_symbols:
            - SAMLServiceProvider.RetrieveAssertionInfo
            - SAMLServiceProvider.ValidateEncodedLogoutRequestPOST
            - SAMLServiceProvider.ValidateEncodedLogoutResponsePOST
            - SAMLServiceProvider.ValidateEncodedResponse
summary: |-
    Panic due to malformed XML digital signature in
    github.com/russellhaering/goxmldsig
description: |-
    Due to a nil pointer dereference, a malformed XML Digital Signature can cause a
    panic during validation. If user supplied signatures are being validated, this
    may be used as a denial of service vector.
published: 2021-04-14T20:04:52Z
cves:
    - CVE-2020-7711
    - CVE-2020-7731
ghsas:
    - GHSA-gq5r-cc4w-g8xf
    - GHSA-mqqv-chpx-vq25
    - GHSA-prjq-f4q3-fvfr
credits:
    - '@stevenjohnstone'
references:
    - web: https://github.com/russellhaering/goxmldsig/issues/48
    - web: https://github.com/russellhaering/gosaml2/issues/59