gsd-2020-11100
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution.
Aliases
Aliases
CVE-2020-11100


To clipboard 

{
   GSD: {
      alias: "CVE-2020-11100",
      description: "In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution.",
      id: "GSD-2020-11100",
      references: [
         "https://www.suse.com/security/cve/CVE-2020-11100.html",
         "https://www.debian.org/security/2020/dsa-4649",
         "https://access.redhat.com/errata/RHSA-2020:1936",
         "https://access.redhat.com/errata/RHSA-2020:1290",
         "https://access.redhat.com/errata/RHSA-2020:1289",
         "https://access.redhat.com/errata/RHSA-2020:1288",
         "https://access.redhat.com/errata/RHSA-2020:1287",
         "https://ubuntu.com/security/CVE-2020-11100",
         "https://security.archlinux.org/CVE-2020-11100",
         "https://linux.oracle.com/cve/CVE-2020-11100.html",
         "https://packetstormsecurity.com/files/cve/CVE-2020-11100",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2020-11100",
         ],
         details: "In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution.",
         id: "GSD-2020-11100",
         modified: "2023-12-13T01:22:05.438337Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "cve@mitre.org",
            ID: "CVE-2020-11100",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "n/a",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "n/a",
                                    },
                                 ],
                              },
                           },
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                     },
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               },
               {
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               {
                  name: "http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html",
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                  url: "http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html",
               },
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                  refsource: "FEDORA",
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               },
               {
                  name: "GLSA-202012-22",
                  refsource: "GENTOO",
                  url: "https://security.gentoo.org/glsa/202012-22",
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            ],
         },
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
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                  children: [],
                  cpe_match: [
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                        versionStartIncluding: "1.8.0",
                        vulnerable: true,
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                  operator: "OR",
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               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
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         },
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            CVE_data_meta: {
               ASSIGNER: "cve@mitre.org",
               ID: "CVE-2020-11100",
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            data_type: "CVE",
            data_version: "4.0",
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                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-787",
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            references: {
               reference_data: [
                  {
                     name: "https://www.mail-archive.com/haproxy@formilux.org/msg36876.html",
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                  },
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                     url: "http://www.haproxy.org",
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                  {
                     name: "https://www.haproxy.org/download/2.1/src/CHANGELOG",
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         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "NETWORK",
                  authentication: "SINGLE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 6.5,
                  confidentialityImpact: "PARTIAL",
                  integrityImpact: "PARTIAL",
                  vectorString: "AV:N/AC:L/Au:S/C:P/I:P/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 8,
               impactScore: 6.4,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 8.8,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "LOW",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 2.8,
               impactScore: 5.9,
            },
         },
         lastModifiedDate: "2022-10-06T20:51Z",
         publishedDate: "2020-04-02T15:15Z",
      },
   },
}


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