github - ghsa-g4h3-rm2q-r287

GHSA-G4H3-RM2Q-R287

Vulnerability from github – Published: 2022-05-13 01:12 – Updated: 2022-05-13 01:12

Details

The recv_msg_userauth_request function in svr-auth.c in Dropbear through 2018.76 is prone to a user enumeration vulnerability because username validity affects how fields in SSH_MSG_USERAUTH messages are handled, a similar issue to CVE-2018-15473 in an unrelated codebase.

Severity ?

5.3 (Medium)


                  
                    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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{
  "affected": [],
  "aliases": [
    "CVE-2018-15599"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-08-21T01:29:00Z",
    "severity": "MODERATE"
  },
  "details": "The recv_msg_userauth_request function in svr-auth.c in Dropbear through 2018.76 is prone to a user enumeration vulnerability because username validity affects how fields in SSH_MSG_USERAUTH messages are handled, a similar issue to CVE-2018-15473 in an unrelated codebase.",
  "id": "GHSA-g4h3-rm2q-r287",
  "modified": "2022-05-13T01:12:17Z",
  "published": "2022-05-13T01:12:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-15599"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00026.html"
    },
    {
      "type": "WEB",
      "url": "https://matt.ucc.asn.au/dropbear/CHANGES"
    },
    {
      "type": "WEB",
      "url": "https://old.reddit.com/r/blackhat/comments/97ywnm/openssh_username_enumeration/e4e05n2"
    },
    {
      "type": "WEB",
      "url": "http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002108.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002109.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2018-15599 (GCVE-0-2018-15599)

Vulnerability from cvelistv5 – Published: 2018-08-21 01:00 – Updated: 2024-08-05 10:01

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://matt.ucc.asn.au/dropbear/CHANGES	x_refsource_CONFIRM
	http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear…	x_refsource_MISC
	http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear…	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
	https://old.reddit.com/r/blackhat/comments/97ywnm…	x_refsource_MISC

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              "x_transferred"
            ],
            "url": "https://matt.ucc.asn.au/dropbear/CHANGES"
          },
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            ],
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            ],
            "url": "http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002108.html"
          },
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
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.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-G4H3-RM2Q-R287

CVE-2018-15599 (GCVE-0-2018-15599)

Tags

Sightings

Nomenclature