ghsa-f4hc-rvh5-8phv
Vulnerability from github
Published
2022-05-13 01:05
Modified
2022-05-13 01:05
Severity ?
Details
A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.
{ "affected": [], "aliases": [ "CVE-2018-20217" ], "database_specific": { "cwe_ids": [ "CWE-617" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2018-12-26T21:29:00Z", "severity": "MODERATE" }, "details": "A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.", "id": "GHSA-f4hc-rvh5-8phv", "modified": "2022-05-13T01:05:39Z", "published": "2022-05-13T01:05:39Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20217" }, { "type": "WEB", "url": "https://github.com/krb5/krb5/commit/5e6d1796106df8ba6bc1973ee0917c170d929086" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2019/01/msg00020.html" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2KNHELH4YHNT6H2ESJWX2UIDXLBNGB2O" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20190416-0006" }, { "type": "WEB", "url": "http://krbdev.mit.edu/rt/Ticket/Display.html?id=8763" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" } ] }
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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.