ghsa-g6j2-ch25-5mmv
Vulnerability from github
Published
2020-03-25 16:52
Modified
2021-01-08 20:24
Severity ?
Summary
Missing Token Replay Detection in Saml2 Authentication services for ASP.NET
Details
Impact
Token Replay Detection is an important defence in depth measure for Single Sign On solutions. In all previous 2.X versions, the Token Replay Detection is not properly implemented.
Note that version 1.0.1 is not affected. It has a correct Token Replay Implementation and is safe to use.
Patches
The 2.5.0 version is patched.
Workarounds
There are no workarounds with existing versions. Fixing the issue requires code updates.
References
https://en.wikipedia.org/wiki/Replay_attack
For more information
If you have any questions or comments about this advisory: * Comment on #711. * Email us at security@sustainsys.com if you think that there are further security issues.
{ "affected": [ { "package": { "ecosystem": "NuGet", "name": "Sustainsys.Saml2" }, "ranges": [ { "events": [ { "introduced": "2.0.0" }, { "fixed": "2.5.0" } ], "type": "ECOSYSTEM" } ] } ], "aliases": [ "CVE-2020-5261" ], "database_specific": { "cwe_ids": [ "CWE-294" ], "github_reviewed": true, "github_reviewed_at": "2020-03-25T01:16:34Z", "nvd_published_at": "2020-03-25T02:15:00Z", "severity": "HIGH" }, "details": "### Impact\nToken Replay Detection is an important defence in depth measure for Single Sign On solutions. In all previous 2.X versions, the Token Replay Detection is not properly implemented. \n\nNote that version 1.0.1 is not affected. It has a correct Token Replay Implementation and is safe to use.\n\n### Patches\nThe 2.5.0 version is patched.\n\n### Workarounds\nThere are no workarounds with existing versions. Fixing the issue requires code updates.\n\n### References\nhttps://en.wikipedia.org/wiki/Replay_attack\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Comment on #711.\n* Email us at [security@sustainsys.com](mailto:security@susatinsys.com) if you think that there are further security issues.", "id": "GHSA-g6j2-ch25-5mmv", "modified": "2021-01-08T20:24:58Z", "published": "2020-03-25T16:52:49Z", "references": [ { "type": "WEB", "url": "https://github.com/Sustainsys/Saml2/security/advisories/GHSA-g6j2-ch25-5mmv" }, { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-5261" }, { "type": "WEB", "url": "https://github.com/Sustainsys/Saml2/issues/711" }, { "type": "WEB", "url": "https://github.com/Sustainsys/Saml2/commit/e58e0a1aff2b1ead6aca080b7cdced55ee6d5241" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N", "type": "CVSS_V3" } ], "summary": "Missing Token Replay Detection in Saml2 Authentication services for ASP.NET" }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.