github - ghsa-h726-j7j2-xhpf

GHSA-H726-J7J2-XHPF

Vulnerability from github – Published: 2022-05-24 17:05 – Updated: 2023-02-01 21:30

Details

An issue was discovered in Suricata 5.0.0. It was possible to bypass/evade any tcp based signature by faking a closed TCP session using an evil server. After the TCP SYN packet, it is possible to inject a RST ACK and a FIN ACK packet with a bad TCP Timestamp option. The client will ignore the RST ACK and the FIN ACK packets because of the bad TCP Timestamp option. Both linux and windows client are ignoring the injected packets.

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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{
  "affected": [],
  "aliases": [
    "CVE-2019-18625"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-01-06T21:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An issue was discovered in Suricata 5.0.0. It was possible to bypass/evade any tcp based signature by faking a closed TCP session using an evil server. After the TCP SYN packet, it is possible to inject a RST ACK and a FIN ACK packet with a bad TCP Timestamp option. The client will ignore the RST ACK and the FIN ACK packets because of the bad TCP Timestamp option. Both linux and windows client are ignoring the injected packets.",
  "id": "GHSA-h726-j7j2-xhpf",
  "modified": "2023-02-01T21:30:23Z",
  "published": "2022-05-24T17:05:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18625"
    },
    {
      "type": "WEB",
      "url": "https://github.com/OISF/suricata/commit/9f0294fadca3dcc18c919424242a41e01f3e8318"
    },
    {
      "type": "WEB",
      "url": "https://github.com/OISF/suricata/commit/ea0659de7640cf6a51de5bbd1dbbb0414e4623a0"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/01/msg00032.html"
    },
    {
      "type": "WEB",
      "url": "https://redmine.openinfosecfoundation.org/issues/3286"
    },
    {
      "type": "WEB",
      "url": "https://redmine.openinfosecfoundation.org/issues/3395"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2019-18625 (GCVE-0-2019-18625)

Vulnerability from cvelistv5 – Published: 2020-01-06 20:09 – Updated: 2024-08-05 01:54

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://redmine.openinfosecfoundation.org/issues/3286	x_refsource_MISC
	https://github.com/OISF/suricata/commit/9f0294fad…	x_refsource_CONFIRM
	https://redmine.openinfosecfoundation.org/issues/3395	x_refsource_MISC
	https://github.com/OISF/suricata/commit/ea0659de7…	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

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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-H726-J7J2-XHPF

CVE-2019-18625 (GCVE-0-2019-18625)

Tags

Sightings

Nomenclature