cve-2022-2663
Vulnerability from cvelistv5
Published
2022-09-01 00:00
Modified
2024-08-03 00:46
Severity ?
Summary
An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall may be able to be bypassed when users are using unencrypted IRC with nf_conntrack_irc configured.
References
secalert@redhat.comhttps://dgl.cx/2022/08/nat-again-irc-cve-2022-2663Exploit, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/
secalert@redhat.comhttps://www.debian.org/security/2022/dsa-5257Third Party Advisory
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2022/08/30/1Mailing List, Third Party Advisory
secalert@redhat.comhttps://www.youtube.com/watch?v=WIq-YgQuYCAExploit, Third Party Advisory
Impacted products
n/aLinux kernel
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T00:46:04.030Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2022/08/30/1"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/"
          },
          {
            "name": "[debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.youtube.com/watch?v=WIq-YgQuYCA"
          },
          {
            "name": "DSA-5257",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2022/dsa-5257"
          },
          {
            "name": "[debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Linux kernel",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "unknown"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall may be able to be bypassed when users are using unencrypted IRC with nf_conntrack_irc configured."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-923",
              "description": "CWE-923",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-11-01T00:00:00",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "url": "https://www.openwall.com/lists/oss-security/2022/08/30/1"
        },
        {
          "url": "https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/"
        },
        {
          "name": "[debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html"
        },
        {
          "url": "https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663"
        },
        {
          "url": "https://www.youtube.com/watch?v=WIq-YgQuYCA"
        },
        {
          "name": "DSA-5257",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2022/dsa-5257"
        },
        {
          "name": "[debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2022-2663",
    "datePublished": "2022-09-01T00:00:00",
    "dateReserved": "2022-08-04T00:00:00",
    "dateUpdated": "2024-08-03T00:46:04.030Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-2663\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2022-09-01T21:15:09.653\",\"lastModified\":\"2023-02-12T22:15:28.473\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall may be able to be bypassed when users are using unencrypted IRC with nf_conntrack_irc configured.\"},{\"lang\":\"es\",\"value\":\"Se ha encontrado un problema en el kernel de Linux en la funci\u00f3n nf_conntrack_irc en el que el manejo de los mensajes puede confundirse y hacerlos coincidir incorrectamente. Se ha encontrado un problema en el kernel de Linux en nf_conntrack_irc donde el manejo de mensajes puede confundirse y coincidir incorrectamente con el mensaje\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-923\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"703AF700-7A70-47E2-BC3A-7FD03B3CA9C1\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA6FEEC2-9F11-4643-8827-749718254FED\"}]}]}],\"references\":[{\"url\":\"https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://www.debian.org/security/2022/dsa-5257\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.openwall.com/lists/oss-security/2022/08/30/1\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://www.youtube.com/watch?v=WIq-YgQuYCA\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




  • 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.