gsd-2015-1821
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder.
Aliases
Aliases
CVE-2015-1821


To clipboard 

{
  "GSD": {
    "alias": "CVE-2015-1821",
    "description": "Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder.",
    "id": "GSD-2015-1821",
    "references": [
      "https://www.suse.com/security/cve/CVE-2015-1821.html",
      "https://www.debian.org/security/2015/dsa-3222",
      "https://access.redhat.com/errata/RHSA-2015:2241",
      "https://advisories.mageia.org/CVE-2015-1821.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2015-1821.html",
      "https://linux.oracle.com/cve/CVE-2015-1821.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2015-1821"
      ],
      "details": "Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder.",
      "id": "GSD-2015-1821",
      "modified": "2023-12-13T01:20:05.083875Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2015-1821",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
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        }
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            "value": "Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html",
            "refsource": "MISC",
            "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"
          },
          {
            "name": "http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html",
            "refsource": "MISC",
            "url": "http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html"
          },
          {
            "name": "http://www.debian.org/security/2015/dsa-3222",
            "refsource": "MISC",
            "url": "http://www.debian.org/security/2015/dsa-3222"
          },
          {
            "name": "http://www.securityfocus.com/bid/73955",
            "refsource": "MISC",
            "url": "http://www.securityfocus.com/bid/73955"
          },
          {
            "name": "https://security.gentoo.org/glsa/201507-01",
            "refsource": "MISC",
            "url": "https://security.gentoo.org/glsa/201507-01"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "1.31",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2015-1821"
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "lang": "en",
              "value": "Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-119"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[chrony-announce] 20150407 chrony-1.31.1 released (security)",
              "refsource": "MLIST",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html"
            },
            {
              "name": "DSA-3222",
              "refsource": "DEBIAN",
              "tags": [],
              "url": "http://www.debian.org/security/2015/dsa-3222"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"
            },
            {
              "name": "73955",
              "refsource": "BID",
              "tags": [],
              "url": "http://www.securityfocus.com/bid/73955"
            },
            {
              "name": "GLSA-201507-01",
              "refsource": "GENTOO",
              "tags": [],
              "url": "https://security.gentoo.org/glsa/201507-01"
            }
          ]
        }
      },
      "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
        }
      },
      "lastModifiedDate": "2023-02-13T00:47Z",
      "publishedDate": "2015-04-16T14:59Z"
    }
  }
}


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