alsa-2021:4325
Vulnerability from osv_almalinux
Published
2021-11-09 09:01
Modified
2021-11-12 10:21
Summary
Moderate: lasso security and enhancement update
Details

The lasso packages provide the Lasso library that implements the Liberty Alliance Single Sign-On standards, including the SAML and SAML2 specifications. It allows handling of the whole life-cycle of SAML-based federations and provides bindings for multiple languages.

Security Fix(es):

  • lasso: XML signature wrapping vulnerability when parsing SAML responses (CVE-2021-28091)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "lasso"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.6.0-12.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "lasso-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.6.0-12.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The lasso packages provide the Lasso library that implements the Liberty Alliance Single Sign-On standards, including the SAML and SAML2 specifications. It allows handling of the whole life-cycle of SAML-based federations and provides bindings for multiple languages.\n\nSecurity Fix(es):\n\n* lasso: XML signature wrapping vulnerability when parsing SAML responses (CVE-2021-28091)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.",
  "id": "ALSA-2021:4325",
  "modified": "2021-11-12T10:21:01Z",
  "published": "2021-11-09T09:01:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2021-4325.html"
    },
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-28091"
    }
  ],
  "related": [
    "CVE-2021-28091"
  ],
  "summary": "Moderate: lasso security and enhancement update"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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