cnvd - cnvd-2018-21240

cnvd-2018-21240

Vulnerability from cnvd

Title: ClamAV拒绝服务漏洞（CNVD-2018-21240）

Description:

ClamAV（Clam AntiVirus）是ClamAV团队开发的一套免费且开源的杀毒软件。该软件用于检测木马、病毒、恶意软件和其他恶意威胁。

ClamAV 0.100.2之前版本中的MEW unpacker的‘unmew11()’函数存在安全漏洞。攻击者可借助特制的EXE文件利用该漏洞造成拒绝服务。

Severity: 中

Patch Name: ClamAV拒绝服务漏洞（CNVD-2018-21240）的补丁

Patch Description:

ClamAV（Clam AntiVirus）是ClamAV团队开发的一套免费且开源的杀毒软件。该软件用于检测木马、病毒、恶意软件和其他恶意威胁。

ClamAV 0.100.2之前版本中的MEW unpacker的‘unmew11()’函数存在安全漏洞。攻击者可借助特制的EXE文件利用该漏洞造成拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://bugzilla.clamav.net/show_bug.cgi?id=12170

Reference: https://bugzilla.clamav.net/show_bug.cgi?id=12170 https://secuniaresearch.flexerasoftware.com/advisories/83000/

Impacted products

Name
ClamAV Clamav <0.100.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-15378"
    }
  },
  "description": "ClamAV\uff08Clam AntiVirus\uff09\u662fClamAV\u56e2\u961f\u5f00\u53d1\u7684\u4e00\u5957\u514d\u8d39\u4e14\u5f00\u6e90\u7684\u6740\u6bd2\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u7528\u4e8e\u68c0\u6d4b\u6728\u9a6c\u3001\u75c5\u6bd2\u3001\u6076\u610f\u8f6f\u4ef6\u548c\u5176\u4ed6\u6076\u610f\u5a01\u80c1\u3002\r\n\r\nClamAV 0.100.2\u4e4b\u524d\u7248\u672c\u4e2d\u7684MEW unpacker\u7684\u2018unmew11()\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684EXE\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Micah Snyder",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://bugzilla.clamav.net/show_bug.cgi?id=12170",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-21240",
  "openTime": "2018-10-18",
  "patchDescription": "ClamAV\uff08Clam AntiVirus\uff09\u662fClamAV\u56e2\u961f\u5f00\u53d1\u7684\u4e00\u5957\u514d\u8d39\u4e14\u5f00\u6e90\u7684\u6740\u6bd2\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u7528\u4e8e\u68c0\u6d4b\u6728\u9a6c\u3001\u75c5\u6bd2\u3001\u6076\u610f\u8f6f\u4ef6\u548c\u5176\u4ed6\u6076\u610f\u5a01\u80c1\u3002\r\n\r\nClamAV 0.100.2\u4e4b\u524d\u7248\u672c\u4e2d\u7684MEW unpacker\u7684\u2018unmew11()\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684EXE\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "ClamAV\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-21240\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "ClamAV Clamav \u003c0.100.2"
  },
  "referenceLink": "https://bugzilla.clamav.net/show_bug.cgi?id=12170\r\nhttps://secuniaresearch.flexerasoftware.com/advisories/83000/",
  "serverity": "\u4e2d",
  "submitTime": "2018-10-17",
  "title": "ClamAV\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-21240\uff09"
}

CVE-2018-15378 (GCVE-0-2018-15378)

Vulnerability from cvelistv5

Published

2018-10-15 17:00

Modified

2024-11-26 14:26

Severity ?

CWE

CWE-125

Summary

A vulnerability in ClamAV versions prior to 0.100.2 could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to an error related to the MEW unpacker within the "unmew11()" function (libclamav/mew.c), which can be exploited to trigger an invalid read memory access via a specially crafted EXE file.

References

▼	URL	Tags
	https://lists.debian.org/debian-lts-announce/2018/10/msg00014.html	mailing-list, x_refsource_MLIST
	https://bugzilla.clamav.net/show_bug.cgi?id=12170	x_refsource_CONFIRM
	https://secuniaresearch.flexerasoftware.com/advisories/83000/	third-party-advisory, x_refsource_SECUNIA
	https://usn.ubuntu.com/3789-2/	vendor-advisory, x_refsource_UBUNTU
	https://usn.ubuntu.com/3789-1/	vendor-advisory, x_refsource_UBUNTU
	https://www.flexera.com/company/secunia-research/advisories/SR-2018-23.html	x_refsource_MISC
	https://security.gentoo.org/glsa/201904-12	vendor-advisory, x_refsource_GENTOO

Impacted products

	Vendor	Product	Version
	Cisco	ClamAV	Version: unspecified < 0.100.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T09:54:02.590Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[debian-lts-announce] 20181024 [SECURITY] [DLA 1553-1] clamav security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/10/msg00014.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.clamav.net/show_bug.cgi?id=12170"
          },
          {
            "name": "83000",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "https://secuniaresearch.flexerasoftware.com/advisories/83000/"
          },
          {
            "name": "USN-3789-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3789-2/"
          },
          {
            "name": "USN-3789-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3789-1/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.flexera.com/company/secunia-research/advisories/SR-2018-23.html"
          },
          {
            "name": "GLSA-201904-12",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201904-12"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2018-15378",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-25T18:47:40.459253Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-26T14:26:00.813Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ClamAV",
          "vendor": "Cisco",
          "versions": [
            {
              "lessThan": "0.100.2",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2018-10-03T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in ClamAV versions prior to 0.100.2 could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to an error related to the MEW unpacker within the \"unmew11()\" function (libclamav/mew.c), which can be exploited to trigger an invalid read memory access via a specially crafted EXE file."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-04-11T02:06:01",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "[debian-lts-announce] 20181024 [SECURITY] [DLA 1553-1] clamav security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/10/msg00014.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.clamav.net/show_bug.cgi?id=12170"
        },
        {
          "name": "83000",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "https://secuniaresearch.flexerasoftware.com/advisories/83000/"
        },
        {
          "name": "USN-3789-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3789-2/"
        },
        {
          "name": "USN-3789-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3789-1/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.flexera.com/company/secunia-research/advisories/SR-2018-23.html"
        },
        {
          "name": "GLSA-201904-12",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201904-12"
        }
      ],
      "source": {
        "advisory": "Bug 12170 - ClamAV Invalid read memory access in MEW unpacker",
        "defect": [
          [
            "12170"
          ]
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Clam AntiVirus unmew11() Denial of Service Vulnerability",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "DATE_PUBLIC": "2018-10-03T21:00:00-0500",
          "ID": "CVE-2018-15378",
          "STATE": "PUBLIC",
          "TITLE": "Clam AntiVirus unmew11() Denial of Service Vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "ClamAV",
                      "version": {
                        "version_data": [
                          {
                            "affected": "\u003c",
                            "version_affected": "\u003c",
                            "version_value": "0.100.2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cisco"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "A vulnerability in ClamAV versions prior to 0.100.2 could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to an error related to the MEW unpacker within the \"unmew11()\" function (libclamav/mew.c), which can be exploited to trigger an invalid read memory access via a specially crafted EXE file."
            }
          ]
        },
        "impact": {
          "cvss": {
            "baseScore": "5.3",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-125"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[debian-lts-announce] 20181024 [SECURITY] [DLA 1553-1] clamav security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/10/msg00014.html"
            },
            {
              "name": "https://bugzilla.clamav.net/show_bug.cgi?id=12170",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.clamav.net/show_bug.cgi?id=12170"
            },
            {
              "name": "83000",
              "refsource": "SECUNIA",
              "url": "https://secuniaresearch.flexerasoftware.com/advisories/83000/"
            },
            {
              "name": "USN-3789-2",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3789-2/"
            },
            {
              "name": "USN-3789-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3789-1/"
            },
            {
              "name": "https://www.flexera.com/company/secunia-research/advisories/SR-2018-23.html",
              "refsource": "MISC",
              "url": "https://www.flexera.com/company/secunia-research/advisories/SR-2018-23.html"
            },
            {
              "name": "GLSA-201904-12",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201904-12"
            }
          ]
        },
        "source": {
          "advisory": "Bug 12170 - ClamAV Invalid read memory access in MEW unpacker",
          "defect": [
            [
              "12170"
            ]
          ],
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2018-15378",
    "datePublished": "2018-10-15T17:00:00Z",
    "dateReserved": "2018-08-17T00:00:00",
    "dateUpdated": "2024-11-26T14:26:00.813Z",
    "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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