fkie_nvd - fkie_cve-2023-34319

fkie_cve-2023-34319

Vulnerability from fkie_nvd

Published

2023-09-22 14:15

Modified

2025-02-13 17:16

Severity ?

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

Summary

The fix for XSA-423 added logic to Linux'es netback driver to deal with a frontend splitting a packet in a way such that not all of the headers would come in one piece. Unfortunately the logic introduced there didn't account for the extreme case of the entire packet being split into as many pieces as permitted by the protocol, yet still being smaller than the area that's specially dealt with to keep all (possible) headers together. Such an unusual packet would therefore trigger a buffer overrun in the driver.

References

URL	Tags
security@xen.org	http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html	Third Party Advisory, VDB Entry
security@xen.org	https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html	Third Party Advisory
security@xen.org	https://security.netapp.com/advisory/ntap-20240202-0001/	Third Party Advisory
security@xen.org	https://xenbits.xenproject.org/xsa/advisory-432.html	Mitigation, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.netapp.com/advisory/ntap-20240202-0001/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://xenbits.xenproject.org/xsa/advisory-432.html	Mitigation, Patch, Vendor Advisory

Impacted products

Vendor	Product	Version
xen	xen	*
debian	debian_linux	10.0
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*",
                     matchCriteriaId: "07AD4949-CFD3-4551-B63D-B307F8EB10FC",
                     versionStartIncluding: "3.2.0",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                     matchCriteriaId: "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "33D83E19-12B0-4CF4-8D6C-5F3D14EDB61B",
                     versionEndExcluding: "4.10",
                     versionStartIncluding: "4.9.336",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "C9A80AE7-FFDD-4172-87C2-CDA3D331B12D",
                     versionEndExcluding: "4.14.321",
                     versionStartIncluding: "4.14.302",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "7E486241-CA87-448E-80AA-E5CA0CD6069E",
                     versionEndExcluding: "4.19.290",
                     versionStartIncluding: "4.19.269",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "961F8F40-93F2-4255-9B9B-8FBAD3D9789A",
                     versionEndExcluding: "5.4.252",
                     versionStartIncluding: "5.4.227",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "C00D8F64-A98C-45FD-B9EC-CA093DEA84F3",
                     versionEndExcluding: "5.10.189",
                     versionStartIncluding: "5.10.159",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "6020EFE6-E098-4486-848A-33FDC6E7ACBB",
                     versionEndExcluding: "5.15.125",
                     versionStartIncluding: "5.15.83",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "190C955C-606A-4260-8AEA-22550A75B586",
                     versionEndExcluding: "6.1.44",
                     versionStartIncluding: "6.1.13",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "28D4A35A-4946-4CB8-8DC4-C0CADC35377E",
                     versionEndExcluding: "6.4.9",
                     versionStartIncluding: "6.2",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "The fix for XSA-423 added logic to Linux'es netback driver to deal with\na frontend splitting a packet in a way such that not all of the headers\nwould come in one piece.  Unfortunately the logic introduced there\ndidn't account for the extreme case of the entire packet being split\ninto as many pieces as permitted by the protocol, yet still being\nsmaller than the area that's specially dealt with to keep all (possible)\nheaders together.  Such an unusual packet would therefore trigger a\nbuffer overrun in the driver.",
      },
      {
         lang: "es",
         value: "La solución para XSA-423 agregó lógica al controlador netback de Linux para lidiar con una interfaz que divide un paquete de tal manera que no todos los encabezados vengan en una sola pieza. Desafortunadamente, la lógica introducida allí no tuvo en cuenta el caso extremo de que todo el paquete se divida en tantas partes como lo permita el protocolo, pero aún así sea más pequeño que el área que se trata especialmente para mantener todos los (posibles) encabezados juntos. Por lo tanto, un paquete tan inusual provocaría un Desbordamiento del Búfer en el controlador.",
      },
   ],
   id: "CVE-2023-34319",
   lastModified: "2025-02-13T17:16:35.453",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 7.8,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2023-09-22T14:15:45.627",
   references: [
      {
         source: "security@xen.org",
         tags: [
            "Third Party Advisory",
            "VDB Entry",
         ],
         url: "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html",
      },
      {
         source: "security@xen.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html",
      },
      {
         source: "security@xen.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.netapp.com/advisory/ntap-20240202-0001/",
      },
      {
         source: "security@xen.org",
         tags: [
            "Mitigation",
            "Patch",
            "Vendor Advisory",
         ],
         url: "https://xenbits.xenproject.org/xsa/advisory-432.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
            "VDB Entry",
         ],
         url: "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.netapp.com/advisory/ntap-20240202-0001/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mitigation",
            "Patch",
            "Vendor Advisory",
         ],
         url: "https://xenbits.xenproject.org/xsa/advisory-432.html",
      },
   ],
   sourceIdentifier: "security@xen.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-787",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}

cve-2023-34319

Vulnerability from cvelistv5

Published

2023-09-22 13:34

Modified

2025-02-13 16:55

Severity ?

Summary

References

▼	URL	Tags
	https://xenbits.xenproject.org/xsa/advisory-432.html
	http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
	https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
	https://security.netapp.com/advisory/ntap-20240202-0001/

Impacted products

	Vendor	Product	Version
	Linux	Linux

Show details on NVD website

JSON

To clipboard

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-02T16:10:06.547Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://xenbits.xenproject.org/xsa/advisory-432.html",
               },
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html",
               },
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html",
               },
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://security.netapp.com/advisory/ntap-20240202-0001/",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               defaultStatus: "unknown",
               product: "Linux",
               vendor: "Linux",
               versions: [
                  {
                     status: "unknown",
                     version: "consult Xen advisory XSA-432",
                  },
               ],
            },
         ],
         configurations: [
            {
               lang: "en",
               value: "All systems using a Linux based network backend with kernel 3.19 and\nnewer are vulnerable, on the assumption that the fix for XSA-423 was\ntaken.  Systems using other network backends are not known to be\nvulnerable.",
            },
         ],
         credits: [
            {
               lang: "en",
               type: "finder",
               value: "This issue was discovered by Ross Lagerwall of Citrix.",
            },
         ],
         datePublic: "2023-09-19T12:00:00.000Z",
         descriptions: [
            {
               lang: "en",
               value: "The fix for XSA-423 added logic to Linux'es netback driver to deal with\na frontend splitting a packet in a way such that not all of the headers\nwould come in one piece.  Unfortunately the logic introduced there\ndidn't account for the extreme case of the entire packet being split\ninto as many pieces as permitted by the protocol, yet still being\nsmaller than the area that's specially dealt with to keep all (possible)\nheaders together.  Such an unusual packet would therefore trigger a\nbuffer overrun in the driver.",
            },
         ],
         impacts: [
            {
               descriptions: [
                  {
                     lang: "en",
                     value: "An unprivileged guest can cause Denial of Service (DoS) of the host by sending network packets to the backend, causing the backend to crash.  Data corruption or privilege escalation seem unlikely but have not been ruled out.",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2024-02-02T14:06:14.314Z",
            orgId: "23aa2041-22e1-471f-9209-9b7396fa234f",
            shortName: "XEN",
         },
         references: [
            {
               url: "https://xenbits.xenproject.org/xsa/advisory-432.html",
            },
            {
               url: "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html",
            },
            {
               url: "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html",
            },
            {
               url: "https://security.netapp.com/advisory/ntap-20240202-0001/",
            },
         ],
         title: "Linux: buffer overrun in netback due to unusual packet",
         workarounds: [
            {
               lang: "en",
               value: "Using another PV network backend (e.g. the qemu based \"qnic\" backend)\nwill mitigate the problem.\n\nUsing a dedicated network driver domain per guest will mitigate the\nproblem.",
            },
         ],
      },
   },
   cveMetadata: {
      assignerOrgId: "23aa2041-22e1-471f-9209-9b7396fa234f",
      assignerShortName: "XEN",
      cveId: "CVE-2023-34319",
      datePublished: "2023-09-22T13:34:44.424Z",
      dateReserved: "2023-06-01T10:44:17.064Z",
      dateUpdated: "2025-02-13T16:55:26.997Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
}

All sightings related to this event Export sightings related to this event

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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