GSD-2021-29477

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer could be exploited using the `STRALGO LCS` command to corrupt the heap and potentially result with remote code execution. The problem is fixed in version 6.2.3 and 6.0.13. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the `STRALGO LCS` command.
Aliases
Aliases
CVE-2021-29477
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{
  "GSD": {
    "alias": "CVE-2021-29477",
    "description": "Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer could be exploited using the `STRALGO LCS` command to corrupt the heap and potentially result with remote code execution. The problem is fixed in version 6.2.3 and 6.0.13. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the `STRALGO LCS` command.",
    "id": "GSD-2021-29477",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-29477.html",
      "https://access.redhat.com/errata/RHSA-2021:3016",
      "https://access.redhat.com/errata/RHSA-2021:2034",
      "https://advisories.mageia.org/CVE-2021-29477.html",
      "https://security.archlinux.org/CVE-2021-29477",
      "https://linux.oracle.com/cve/CVE-2021-29477.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-29477"
      ],
      "details": "Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer could be exploited using the `STRALGO LCS` command to corrupt the heap and potentially result with remote code execution. The problem is fixed in version 6.2.3 and 6.0.13. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the `STRALGO LCS` command.",
      "id": "GSD-2021-29477",
      "modified": "2023-12-13T01:23:36.576045Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-29477",
        "STATE": "PUBLIC",
        "TITLE": "Vulnerability in the STRALGO LCS command"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "redis",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003e= 6.2.0, \u003c 6.2.3"
                        },
                        {
                          "version_value": "\u003e= 6.0.0, \u003c 6.0.13"
                        }
                      ]
                    }
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            }
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      "description": {
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            "lang": "eng",
            "value": "Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer could be exploited using the `STRALGO LCS` command to corrupt the heap and potentially result with remote code execution. The problem is fixed in version 6.2.3 and 6.0.13. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the `STRALGO LCS` command."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        }
      },
      "problemtype": {
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          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-190 Integer Overflow or Wraparound"
              }
            ]
          }
        ]
      },
      "references": {
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          {
            "name": "https://github.com/redis/redis/security/advisories/GHSA-vqxj-26vj-996g",
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            "url": "https://github.com/redis/redis/security/advisories/GHSA-vqxj-26vj-996g"
          },
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            "refsource": "MISC",
            "url": "https://redis.io/"
          },
          {
            "name": "FEDORA-2021-3b267a756c",
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EZJ6JGQ2ETZB2DWTQSGCOGG7EF3ILV4V/"
          },
          {
            "name": "FEDORA-2021-8b19c99d6a",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPWBIZXA67JFIB63W2CNVVILCGIC2ME5/"
          },
          {
            "name": "FEDORA-2021-916f861096",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BHWOF7CBVUGDK3AN6H3BN3VNTH2TDUZZ/"
          },
          {
            "name": "FEDORA-2021-0ad4bec5b1",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SN7INTZFE34MIQJO7WDDTIY5LIBGN6GI/"
          },
          {
            "name": "GLSA-202107-20",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202107-20"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-vqxj-26vj-996g",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:redislabs:redis:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "6.0.13",
                "versionStartIncluding": "6.0.0",
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              },
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                "versionEndExcluding": "6.2.3",
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              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
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              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
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          "ID": "CVE-2021-29477"
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        "description": {
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            }
          ]
        },
        "problemtype": {
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                  "lang": "en",
                  "value": "CWE-190"
                }
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        "references": {
          "reference_data": [
            {
              "name": "https://redis.io/",
              "refsource": "MISC",
              "tags": [
                "Product"
              ],
              "url": "https://redis.io/"
            },
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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": 8.0,
          "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": "2022-06-04T01:34Z",
      "publishedDate": "2021-05-04T16:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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