cnvd - cnvd-2016-10166

cnvd-2016-10166

Vulnerability from cnvd

Title: libav空指针引用漏洞

Description:

Libav（前身是FFmpeg）是Libav团队的一套跨平台的可对音频和视频进行录制、转换的解决方案，它包含了一个libavcodec编码器。

libav存在安全漏洞。攻击者可以利用漏洞通过精心制作的文件导致NULL指针访问。

Severity: 中

Patch Name: libav空指针引用漏洞的补丁

Patch Description:

Libav（前身是FFmpeg）是Libav团队的一套跨平台的可对音频和视频进行录制、转换的解决方案，它包含了一个libavcodec编码器。

libav存在安全漏洞。攻击者可以利用漏洞通过精心制作的文件导致NULL指针访问。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补丁以修复此安全问题，可以参考以下链接获取相应修复建议： https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/

Reference: http://www.openwall.com/lists/oss-security/2016/10/16/13

Impacted products

Name
Libav Libav

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-8676"
    }
  },
  "description": "Libav\uff08\u524d\u8eab\u662fFFmpeg\uff09\u662fLibav\u56e2\u961f\u7684\u4e00\u5957\u8de8\u5e73\u53f0\u7684\u53ef\u5bf9\u97f3\u9891\u548c\u89c6\u9891\u8fdb\u884c\u5f55\u5236\u3001\u8f6c\u6362\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5b83\u5305\u542b\u4e86\u4e00\u4e2alibavcodec\u7f16\u7801\u5668\u3002\r\n\r\nlibav\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u5236\u4f5c\u7684\u6587\u4ef6\u5bfc\u81f4NULL\u6307\u9488\u8bbf\u95ee\u3002",
  "discovererName": "Agostino Sarubbo of Gentoo.",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u94fe\u63a5\u83b7\u53d6\u76f8\u5e94\u4fee\u590d\u5efa\u8bae\uff1a\r\nhttps://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-10166",
  "openTime": "2016-10-27",
  "patchDescription": "Libav\uff08\u524d\u8eab\u662fFFmpeg\uff09\u662fLibav\u56e2\u961f\u7684\u4e00\u5957\u8de8\u5e73\u53f0\u7684\u53ef\u5bf9\u97f3\u9891\u548c\u89c6\u9891\u8fdb\u884c\u5f55\u5236\u3001\u8f6c\u6362\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5b83\u5305\u542b\u4e86\u4e00\u4e2alibavcodec\u7f16\u7801\u5668\u3002\r\n\r\nlibav\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u5236\u4f5c\u7684\u6587\u4ef6\u5bfc\u81f4NULL\u6307\u9488\u8bbf\u95ee\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": "libav\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Libav Libav"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2016/10/16/13",
  "serverity": "\u4e2d",
  "submitTime": "2016-10-20",
  "title": "libav\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2016-8676 (GCVE-0-2016-8676)

Vulnerability from cvelistv5

Published

2017-02-15 21:00

Modified

2024-08-06 02:27

Severity ?

CWE

Summary

The get_vlc2 function in get_bits.h in Libav 11.9 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted mp3 file. NOTE: this issue exists due to an incomplete fix for CVE-2016-8675.

References

▼	URL	Tags
	https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/	x_refsource_MISC
	http://www.securityfocus.com/bid/93468	vdb-entry, x_refsource_BID
	http://www.openwall.com/lists/oss-security/2016/10/16/13	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2016/12/04/3	mailing-list, x_refsource_MLIST
	https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T02:27:41.217Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/"
          },
          {
            "name": "93468",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/93468"
          },
          {
            "name": "[oss-security] 20161015 Re: libav: null pointer dereference in get_vlc2 (get_bits.h)",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/10/16/13"
          },
          {
            "name": "[oss-security] 20161204 Re: libav: multiple crashes from the Undefined Behavior Sanitizer",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/12/04/3"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-10-15T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The get_vlc2 function in get_bits.h in Libav 11.9 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted mp3 file.  NOTE: this issue exists due to an incomplete fix for CVE-2016-8675."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-02-16T17:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/"
        },
        {
          "name": "93468",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/93468"
        },
        {
          "name": "[oss-security] 20161015 Re: libav: null pointer dereference in get_vlc2 (get_bits.h)",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/10/16/13"
        },
        {
          "name": "[oss-security] 20161204 Re: libav: multiple crashes from the Undefined Behavior Sanitizer",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/12/04/3"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-8676",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The get_vlc2 function in get_bits.h in Libav 11.9 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted mp3 file.  NOTE: this issue exists due to an incomplete fix for CVE-2016-8675."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/",
              "refsource": "MISC",
              "url": "https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/"
            },
            {
              "name": "93468",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/93468"
            },
            {
              "name": "[oss-security] 20161015 Re: libav: null pointer dereference in get_vlc2 (get_bits.h)",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2016/10/16/13"
            },
            {
              "name": "[oss-security] 20161204 Re: libav: multiple crashes from the Undefined Behavior Sanitizer",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2016/12/04/3"
            },
            {
              "name": "https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/",
              "refsource": "MISC",
              "url": "https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-8676",
    "datePublished": "2017-02-15T21:00:00",
    "dateReserved": "2016-10-15T00:00:00",
    "dateUpdated": "2024-08-06T02:27:41.217Z",
    "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.

Action not permitted