csaf_redhat - rhsa-2023

rhsa-2023_5219

Vulnerability from csaf_redhat

Published

2023-09-19 08:07

Modified

2024-11-23 00:15

Summary

Red Hat Security Advisory: frr security and bug fix update

Notes

Topic

An update for frr is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. 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

FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD. Security Fix(es): * frr: Incorrect handling of a error in parsing of an invalid section of a BGP update can de-peer a router (CVE-2023-38802) 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. Bug Fix(es): * BFD crash in FRR running in MetalLB (BZ#2231829)

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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        "text": "An update for frr is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Important. 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.",
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  "vulnerabilities": [
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      "cwe": {
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        "name": "Improper Input Validation"
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      "discovery_date": "2023-07-12T00:00:00+00:00",
      "ids": [
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          "text": "2230983"
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      "notes": [
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          "category": "description",
          "text": "A vulnerability was found in FRRouting (FRR). This flaw allows a remote attacker to cause a denial of service issue via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "frr: Incorrect handling of a error in parsing of an invalid section of a BGP update can de-peer a router",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is classified as important according to Red Hat\u0027s Severity Rating Classification as it allows a remote attacker to publish a crafted BGP update through the network, leading to denial of service.\n\nhttps://access.redhat.com/security/updates/classification",
          "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": {
        "fixed": [
          "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.aarch64",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.ppc64le",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.s390x",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.src",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.x86_64",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-debuginfo-0:7.5.1-7.el8_8.2.aarch64",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-debuginfo-0:7.5.1-7.el8_8.2.ppc64le",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-debuginfo-0:7.5.1-7.el8_8.2.s390x",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-debuginfo-0:7.5.1-7.el8_8.2.x86_64",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-debugsource-0:7.5.1-7.el8_8.2.aarch64",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-debugsource-0:7.5.1-7.el8_8.2.ppc64le",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-debugsource-0:7.5.1-7.el8_8.2.s390x",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-debugsource-0:7.5.1-7.el8_8.2.x86_64",
          "AppStream-8.8.0.Z.MAIN.EUS:frr-selinux-0:7.5.1-7.el8_8.2.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-38802"
        },
        {
          "category": "external",
          "summary": "RHBZ#2230983",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2230983"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-38802",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-38802"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-38802",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-38802"
        },
        {
          "category": "external",
          "summary": "https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling",
          "url": "https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling"
        },
        {
          "category": "external",
          "summary": "https://github.com/advisories/GHSA-xh4f-v933-c556",
          "url": "https://github.com/advisories/GHSA-xh4f-v933-c556"
        }
      ],
      "release_date": "2023-08-29T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-09-19T08:07:49+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.aarch64",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.ppc64le",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.s390x",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.src",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.x86_64",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debuginfo-0:7.5.1-7.el8_8.2.aarch64",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debuginfo-0:7.5.1-7.el8_8.2.ppc64le",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debuginfo-0:7.5.1-7.el8_8.2.s390x",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debuginfo-0:7.5.1-7.el8_8.2.x86_64",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debugsource-0:7.5.1-7.el8_8.2.aarch64",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debugsource-0:7.5.1-7.el8_8.2.ppc64le",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debugsource-0:7.5.1-7.el8_8.2.s390x",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debugsource-0:7.5.1-7.el8_8.2.x86_64",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-selinux-0:7.5.1-7.el8_8.2.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2023:5219"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.aarch64",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.ppc64le",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.s390x",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.src",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-0:7.5.1-7.el8_8.2.x86_64",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debuginfo-0:7.5.1-7.el8_8.2.aarch64",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debuginfo-0:7.5.1-7.el8_8.2.ppc64le",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debuginfo-0:7.5.1-7.el8_8.2.s390x",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debuginfo-0:7.5.1-7.el8_8.2.x86_64",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debugsource-0:7.5.1-7.el8_8.2.aarch64",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debugsource-0:7.5.1-7.el8_8.2.ppc64le",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debugsource-0:7.5.1-7.el8_8.2.s390x",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-debugsource-0:7.5.1-7.el8_8.2.x86_64",
            "AppStream-8.8.0.Z.MAIN.EUS:frr-selinux-0:7.5.1-7.el8_8.2.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "frr: Incorrect handling of a error in parsing of an invalid section of a BGP update can de-peer a router"
    }
  ]
}

cve-2023-38802

Vulnerability from cvelistv5

Published

2023-08-29 00:00

Modified

2024-10-02 14:46

Severity ?

Summary

FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).

References

▼	URL	Tags
	https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling
	https://news.ycombinator.com/item?id=37305800
	https://www.debian.org/security/2023/dsa-5495	vendor-advisory
	https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html	mailing-list
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/	vendor-advisory

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T17:54:38.498Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://news.ycombinator.com/item?id=37305800"
          },
          {
            "name": "DSA-5495",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2023/dsa-5495"
          },
          {
            "name": "[debian-lts-announce] 20230919 [SECURITY] [DLA 3573-1] frr security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html"
          },
          {
            "name": "FEDORA-2023-514db5339e",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/"
          },
          {
            "name": "FEDORA-2023-ce436d56f8",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/"
          },
          {
            "name": "FEDORA-2023-61abba57d8",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-38802",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-02T14:46:38.606959Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-02T14:46:51.117Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-11-15T05:07:02.171314",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling"
        },
        {
          "url": "https://news.ycombinator.com/item?id=37305800"
        },
        {
          "name": "DSA-5495",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2023/dsa-5495"
        },
        {
          "name": "[debian-lts-announce] 20230919 [SECURITY] [DLA 3573-1] frr security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html"
        },
        {
          "name": "FEDORA-2023-514db5339e",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/"
        },
        {
          "name": "FEDORA-2023-ce436d56f8",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/"
        },
        {
          "name": "FEDORA-2023-61abba57d8",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-38802",
    "datePublished": "2023-08-29T00:00:00",
    "dateReserved": "2023-07-25T00:00:00",
    "dateUpdated": "2024-10-02T14:46:51.117Z",
    "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.

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