id: GO-2023-1602
modules:
    - module: github.com/russellhaering/gosaml2
      versions:
        - fixed: 0.9.0
      vulnerable_at: 0.8.1
      packages:
        - package: github.com/russellhaering/gosaml2
          symbols:
            - SAMLServiceProvider.ValidateEncodedLogoutRequestPOST
            - SAMLServiceProvider.validationContext
            - SAMLServiceProvider.ValidateEncodedResponse
            - maybeDeflate
            - DecodeUnverifiedBaseResponse
            - parseResponse
            - DecodeUnverifiedLogoutResponse
            - SAMLServiceProvider.ValidateEncodedLogoutResponsePOST
          derived_symbols:
            - SAMLServiceProvider.RetrieveAssertionInfo
summary: |-
    Denial of service via deflate decompression bomb in
    github.com/russellhaering/gosaml2
description: |-
    A bug in SAML authentication library can result in Denial of Service attacks.

    Attackers can craft a "deflate"-compressed request which will consume
    significantly more memory during processing than the size of the original
    request. This may eventually lead to memory exhaustion and the process being
    killed.
cves:
    - CVE-2023-26483
ghsas:
    - GHSA-6gc3-crp7-25w5
references:
    - advisory: https://github.com/advisories/GHSA-6gc3-crp7-25w5
    - fix: https://github.com/russellhaering/gosaml2/commit/f9d66040241093e8702649baff50cc70d2c683c0
    - web: https://github.com/russellhaering/gosaml2/releases/tag/v0.9.0