csaf_redhat - rhsa-2024

rhsa-2024_10594

Vulnerability from csaf_redhat

Published

2024-12-02 01:20

Modified

2024-12-02 06:59

Summary

Red Hat Security Advisory: libreswan security update

Notes

Topic

An update for libreswan is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network (VPN). Security Fix(es): * libreswan: remote DoS via crafted TS payload with an incorrect selector length (CVE-2023-23009) * libreswan: Invalid IKEv1 Quick Mode ID causes restart (CVE-2023-38711) * libreswan: Invalid IKEv2 REKEY proposal causes restart (CVE-2023-38710) * libreswan: Invalid IKEv1 repeat IKE SA delete causes crash and restart (CVE-2023-38712) * libreswan: Missing PreSharedKey for connection can cause crash (CVE-2024-2357) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

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  "vulnerabilities": [
    {
      "cve": "CVE-2023-23009",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "discovery_date": "2023-02-21T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2173610"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Libreswan package. A crafted TS payload with an incorrect selector length may allow a remote attacker to cause a denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libreswan: remote DoS via crafted TS payload with an incorrect selector length",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "names": [
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        },
        {
          "category": "general",
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      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
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      "ids": [
        {
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          "category": "description",
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          "title": "Vulnerability description"
        },
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          "title": "Vulnerability summary"
        },
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "libreswan: Invalid IKEv1 Quick Mode ID causes restart"
    },
    {
      "cve": "CVE-2023-38712",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "discovery_date": "2023-07-25T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2225369"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A NULL pointer dereference vulnerability was found in the Libreswan package. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state occurs. This flaw allows a malicious client or attacker to send a malformed IKEv1 Delete/Notify packet, causing a crash and restarting the libreswan pluto daemon. When sent continuously, this could lead to a denial of service attack.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libreswan: Invalid IKEv1 repeat IKE SA delete causes crash and restart",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "IKEv1 Delete/Notify requests are only processed when received from authenticated peers, limiting the scope of possible attackers to peers who have successfully authenticated.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "self",
          "summary": "Canonical URL",
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        },
        {
          "category": "external",
          "summary": "RHBZ#2225369",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225369"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-38712",
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        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-38712",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-38712"
        },
        {
          "category": "external",
          "summary": "https://github.com/libreswan/libreswan/releases/tag/v4.12",
          "url": "https://github.com/libreswan/libreswan/releases/tag/v4.12"
        },
        {
          "category": "external",
          "summary": "https://libreswan.org/security/CVE-2023-38712/CVE-2023-38712.txt",
          "url": "https://libreswan.org/security/CVE-2023-38712/CVE-2023-38712.txt"
        }
      ],
      "release_date": "2023-08-08T00:00:00+00:00",
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          "category": "vendor_fix",
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          "url": "https://access.redhat.com/errata/RHSA-2024:10594"
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "libreswan: Invalid IKEv1 repeat IKE SA delete causes crash and restart"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Andrew Vaughn"
          ]
        }
      ],
      "cve": "CVE-2024-2357",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2024-03-11T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2268952"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Libreswan. This issue causes Libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret), and the connection cannot find a matching configured secret. When automatically added on startup using the auto= keyword, it can cause repeated crashes, leading to a denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libreswan: Missing PreSharedKey for connection can cause crash",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Libreswan may restart repeatedly under certain IKEv2 retransmission scenarios when using PreSharedKeys (authby=secret) if the connection cannot find a matching configured secret. If such a connection is added automatically on startup using the auto= keyword, it can lead to repeated crashes, causing a denial of service. The vulnerability arises when IKEv2 fails to find its PreSharedKey for the AUTH payload in the IKE_AUTH Exchange, resulting in assertion failure and daemon crashes. This vulnerability is triggered by local misconfiguration, and there is no known exploitation by external peers.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        {
          "category": "external",
          "summary": "RHBZ#2268952",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2268952"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-2357",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-2357"
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        {
          "category": "external",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-2357"
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        {
          "category": "external",
          "summary": "https://github.com/libreswan/libreswan/commit/cb9e1047d33fde695d63a95854c2bc2470a476c8.patch",
          "url": "https://github.com/libreswan/libreswan/commit/cb9e1047d33fde695d63a95854c2bc2470a476c8.patch"
        },
        {
          "category": "external",
          "summary": "https://libreswan.org/security/CVE-2024-2357",
          "url": "https://libreswan.org/security/CVE-2024-2357"
        }
      ],
      "release_date": "2024-03-11T00:00:00+00:00",
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          "category": "vendor_fix",
          "date": "2024-12-02T01:20:00+00:00",
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        },
        {
          "category": "workaround",
          "details": "As a workaround to prevent the misconfiguration from causing the crash, place an unguessable long random \"catch-all\" secret in /etc/ipsec.secrets, for example, using the following command:\n\necho -e \"# CVE-2024-2357 workaround\\n: PSK \\\"$(openssl rand -hex 32)\\\"\" \u003e\u003e /etc/ipsec.secrets\n\nThis will ensure a PSK secret is always found, but it will always be wrong, and thus authentication will still properly fail.",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.0,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          ]
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "libreswan: Missing PreSharedKey for connection can cause crash"
    }
  ]
}

cve-2023-23009

Vulnerability from cvelistv5

Published

2023-02-21 00:00

Modified

2024-08-02 10:28

Severity ?

Summary

Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.

References

▼	URL	Tags
	https://github.com/libreswan/libreswan/issues/954
	https://www.debian.org/security/2023/dsa-5368	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MFOIQX2LRL43P3GJT33DE7G7COHNXDN/	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSMYJH7MC2FZGCY5NH5AXULO3ISXIHOF/	vendor-advisory

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

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          "value": "Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length."
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      ],
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cve-2023-38710

Vulnerability from cvelistv5

Published

2023-08-25 00:00

Modified

2024-11-26 21:53

Severity ?

Summary

An issue was discovered in Libreswan before 4.12. When an IKEv2 Child SA REKEY packet contains an invalid IPsec protocol ID number of 0 or 1, an error notify INVALID_SPI is sent back. The notify payload's protocol ID is copied from the incoming packet, but the code that verifies outgoing packets fails an assertion that the protocol ID must be ESP (2) or AH(3) and causes the pluto daemon to crash and restart. NOTE: the earliest affected version is 3.20.

References

▼	URL	Tags
	https://github.com/libreswan/libreswan/tags
	https://libreswan.org/security/CVE-2023-38710/

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

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cve-2023-38711

Vulnerability from cvelistv5

Published

2023-08-25 00:00

Modified

2024-08-02 17:46

Severity ?

Summary

An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.

References

▼	URL	Tags
	https://github.com/libreswan/libreswan/tags
	https://libreswan.org/security/CVE-2023-38711/

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

{
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cve-2024-2357

Vulnerability from cvelistv5

Published

2024-03-11 19:39

Modified

2024-11-20 17:25

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

The Libreswan Project was notified of an issue causing libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup using the auto= keyword, it can cause repeated crashes leading to a Denial of Service.

References

▼	URL	Tags
	https://libreswan.org/security/CVE-2024-2357	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJZJYFHKBIJ4ZK5GAWWFFR3AKJS6O5JX/
	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HEM46ALKF7NG6CAUKZ7KQERVOHWQIQKY/
	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TVQ7MZY6LFFGRWAJNTKKN2VSEFS2VPAR/

Impacted products

Vendor

Product

Version

▼

The Libreswan Project (www.libreswan.org)

libreswan

Version: 4.2 ≤ 4.12

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
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        ],
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                "description": "CWE-noinfo Not enough information",
                "lang": "en",
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        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-20T17:25:31.624Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        },
        "title": "CISA ADP Vulnrichment"
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          },
          {
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            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJZJYFHKBIJ4ZK5GAWWFFR3AKJS6O5JX/"
          },
          {
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          },
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          }
        ],
        "title": "CVE Program Container"
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    "cna": {
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        },
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      ],
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      ],
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        {
          "lang": "en",
          "time": "2024-02-08T00:00:00.000Z",
          "value": "Issue reported publicly via https://github.com/libreswan/libreswan/issues/1609"
        },
        {
          "lang": "en",
          "time": "2024-02-14T00:00:00.000Z",
          "value": "Workaround posted in the github issue"
        },
        {
          "lang": "en",
          "time": "2024-02-15T00:00:00.000Z",
          "value": "Fix published (as issue was already public via githb issue)"
        },
        {
          "lang": "en",
          "time": "2024-03-09T00:00:00.000Z",
          "value": "Advanced notice given to support customers and distributions"
        },
        {
          "lang": "en",
          "time": "2024-03-11T00:00:00.000Z",
          "value": "CVE-2024-2357 published"
        }
      ],
      "title": "IKEv2 misconfiguration can cause libreswan to abort and restart",
      "workarounds": [
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          "lang": "en",
          "value": "As a workaround, one can place an unguessable long random default secret in /etc/ipsec.secrets, for example using the following command:\n\n echo -e \"# CVE-2024-2357 workaround\n: PSK \"$(openssl rand -hex 32)\"\" \u003e\u003e /etc/ipsec.secrets\n\nThis will ensure a PSK secret is always found, but it will always be wrong, and thus authentication will still properly fail."
        }
      ]
    }
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  "cveMetadata": {
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    "cveId": "CVE-2024-2357",
    "datePublished": "2024-03-11T19:39:03.280Z",
    "dateReserved": "2024-03-09T22:24:12.530Z",
    "dateUpdated": "2024-11-20T17:25:31.624Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

cve-2023-38712

Vulnerability from cvelistv5

Published

2023-08-25 00:00

Modified

2024-08-02 17:46

Severity ?

Summary

An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.

References

▼	URL	Tags
	https://github.com/libreswan/libreswan/tags
	https://libreswan.org/security/CVE-2023-38712/

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T17:46:56.799Z",
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    "cna": {
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        {
          "lang": "en",
          "value": "An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-08-25T20:31:56.483324",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/libreswan/libreswan/tags"
        },
        {
          "url": "https://libreswan.org/security/CVE-2023-38712/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-38712",
    "datePublished": "2023-08-25T00:00:00",
    "dateReserved": "2023-07-24T00:00:00",
    "dateUpdated": "2024-08-02T17:46:56.799Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

rhsa-2024_10594

Vulnerability from csaf_redhat

cve-2023-23009

Vulnerability from cvelistv5

cve-2023-38710

Vulnerability from cvelistv5

cve-2023-38711

Vulnerability from cvelistv5

cve-2024-2357

Vulnerability from cvelistv5

cve-2023-38712

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature