Vulnerability-Lookup

CNVD-2016-04549

Vulnerability from cnvd - Published: 2016-07-06

Title

Expat执行任意代码漏洞

Description

Expat是美国软件开发者吉姆-克拉克所研发的一个基于C语言的XML解析器库。 Expat中存在安全漏洞，远程攻击者可借助特制的XML数据利用该漏洞造成拒绝服务（崩溃）或执行任意代码。

Severity

中

Patch Name

Expat执行任意代码漏洞的补丁

Patch Description

Expat是美国软件开发者吉姆-克拉克所研发的一个基于C语言的XML解析器库。 Expat中存在安全漏洞，远程攻击者可借助特制的XML数据利用该漏洞造成拒绝服务（崩溃）或执行任意代码。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bde

Reference

https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bde https://sourceforge.net/p/expat/code_git/ci/07cc2fcacf81b32b2e06aa918df51756525240c0/ http://www.openwall.com/lists/oss-security/2016/06/04/6 http://www.ubuntu.com/usn/USN-3013-1

Impacted products

Name
Expat Expat

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-4472"
    }
  },
  "description": "Expat\u662f\u7f8e\u56fd\u8f6f\u4ef6\u5f00\u53d1\u8005\u5409\u59c6-\u514b\u62c9\u514b\u6240\u7814\u53d1\u7684\u4e00\u4e2a\u57fa\u4e8eC\u8bed\u8a00\u7684XML\u89e3\u6790\u5668\u5e93\u3002\r\n\r\nExpat\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684XML\u6570\u636e\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\u6216\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "Expat",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bde",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-04549",
  "openTime": "2016-07-06",
  "patchDescription": "Expat\u662f\u7f8e\u56fd\u8f6f\u4ef6\u5f00\u53d1\u8005\u5409\u59c6-\u514b\u62c9\u514b\u6240\u7814\u53d1\u7684\u4e00\u4e2a\u57fa\u4e8eC\u8bed\u8a00\u7684XML\u89e3\u6790\u5668\u5e93\u3002\r\n\r\nExpat\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684XML\u6570\u636e\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\u6216\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "Expat\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Expat Expat"
  },
  "referenceLink": "https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bde\r\nhttps://sourceforge.net/p/expat/code_git/ci/07cc2fcacf81b32b2e06aa918df51756525240c0/\t\r\nhttp://www.openwall.com/lists/oss-security/2016/06/04/6\t\r\nhttp://www.ubuntu.com/usn/USN-3013-1",
  "serverity": "\u4e2d",
  "submitTime": "2016-07-05",
  "title": "Expat\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6f0f\u6d1e"
}

CVE-2016-4472 (GCVE-0-2016-4472)

Vulnerability from cvelistv5 – Published: 2016-06-30 17:00 – Updated: 2024-08-06 00:32

Summary

The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716.

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

7 references

URL	Tags
https://www.tenable.com/security/tns-2016-20	x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1344251	x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-3013-1	vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/91528	vdb-entryx_refsource_BID
https://sourceforge.net/p/expat/code_git/ci/f0bec…	x_refsource_CONFIRM
https://security.gentoo.org/glsa/201701-21	vendor-advisoryx_refsource_GENTOO
https://kc.mcafee.com/corporate/index?page=conten…	x_refsource_CONFIRM

Date Public

2016-05-16 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T00:32:25.570Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.tenable.com/security/tns-2016-20"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1344251"
          },
          {
            "name": "USN-3013-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-3013-1"
          },
          {
            "name": "91528",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/91528"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bde"
          },
          {
            "name": "GLSA-201701-21",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201701-21"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10365"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-05-16T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-31T07:06:45.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.tenable.com/security/tns-2016-20"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1344251"
        },
        {
          "name": "USN-3013-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3013-1"
        },
        {
          "name": "91528",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/91528"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bde"
        },
        {
          "name": "GLSA-201701-21",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201701-21"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10365"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2016-4472",
    "datePublished": "2016-06-30T17:00:00.000Z",
    "dateReserved": "2016-05-02T00:00:00.000Z",
    "dateUpdated": "2024-08-06T00:32:25.570Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2016-04549

CVE-2016-4472 (GCVE-0-2016-4472)

Tags

Sightings

Nomenclature

Related by attack behaviour