Vulnerability-Lookup

CNVD-2016-12558

Vulnerability from cnvd - Published: 2016-12-19

Title

QEMU '/hw/display/virtio-gpu-3d.c'拒绝服务漏洞

Description

QEMU（又名Quick Emulator）是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU中的/hw/display/virtio-gpu-3d.c文件存在拒绝服务漏洞。攻击者可利用该漏洞造成拒绝服务。

Severity

中

Patch Name

QEMU '/hw/display/virtio-gpu-3d.c'拒绝服务漏洞的补丁

Patch Description

QEMU（又名Quick Emulator）是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU中的/hw/display/virtio-gpu-3d.c文件存在拒绝服务漏洞。攻击者可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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://lists.nongnu.org/archive/html/qemu-devel/2016-11/msg00019.html

Reference

http://www.securityfocus.com/bid/94763

Impacted products

Name
QEMU QEMU

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "94763"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-9845"
    }
  },
  "description": "QEMU\uff08\u53c8\u540dQuick Emulator\uff09\u662f\u6cd5\u56fd\u7a0b\u5e8f\u5458\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u6240\u7814\u53d1\u7684\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u5177\u6709\u901f\u5ea6\u5feb\u3001\u8de8\u5e73\u53f0\u7b49\u7279\u70b9\u3002\r\n\r\nQEMU\u4e2d\u7684/hw/display/virtio-gpu-3d.c\u6587\u4ef6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Prasad J Pandit.",
  "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://lists.nongnu.org/archive/html/qemu-devel/2016-11/msg00019.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-12558",
  "openTime": "2016-12-19",
  "patchDescription": "QEMU\uff08\u53c8\u540dQuick Emulator\uff09\u662f\u6cd5\u56fd\u7a0b\u5e8f\u5458\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u6240\u7814\u53d1\u7684\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u5177\u6709\u901f\u5ea6\u5feb\u3001\u8de8\u5e73\u53f0\u7b49\u7279\u70b9\u3002\r\n\r\nQEMU\u4e2d\u7684/hw/display/virtio-gpu-3d.c\u6587\u4ef6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\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": "QEMU \u0027/hw/display/virtio-gpu-3d.c\u0027\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "QEMU QEMU"
  },
  "referenceLink": "http://www.securityfocus.com/bid/94763",
  "serverity": "\u4e2d",
  "submitTime": "2016-12-13",
  "title": "QEMU \u0027/hw/display/virtio-gpu-3d.c\u0027\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2016-9845 (GCVE-0-2016-9845)

Vulnerability from cvelistv5 – Published: 2016-12-29 22:00 – Updated: 2024-08-06 02:59

Summary

QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to an information leakage issue. It could occur while processing 'VIRTIO_GPU_CMD_GET_CAPSET_INFO' command. A guest user/process could use this flaw to leak contents of the host memory bytes.

Severity

No CVSS data available.

CWE

Assigner

redhat CNA under the redhat root

CNA scorecard B 81/100 over 1011 records in the last 180 days details

References

5 references

URL	Tags
http://www.openwall.com/lists/oss-security/2016/1…	mailing-listx_refsource_MLIST
https://lists.nongnu.org/archive/html/qemu-devel/…	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/201701-49	vendor-advisoryx_refsource_GENTOO
http://www.securityfocus.com/bid/94763	vdb-entryx_refsource_BID
http://www.openwall.com/lists/oss-security/2016/1…	mailing-listx_refsource_MLIST

Date Public

2016-11-01 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T02:59:03.575Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[oss-security] 20161205 Re: CVE request: Qemu: display: virtio-gpu-3d: information leakage in virgl_cmd_get_capset_info",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/12/05/22"
          },
          {
            "name": "[qemu-devel] 20161101 [PATCH] virtio-gpu: fix information leak in getting capset info dispatch",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.nongnu.org/archive/html/qemu-devel/2016-11/msg00019.html"
          },
          {
            "name": "GLSA-201701-49",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201701-49"
          },
          {
            "name": "94763",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/94763"
          },
          {
            "name": "[oss-security] 20161205 CVE request: Qemu: display: virtio-gpu-3d: information leakage in virgl_cmd_get_capset_info",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/12/05/15"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-11-01T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to an information leakage issue. It could occur while processing \u0027VIRTIO_GPU_CMD_GET_CAPSET_INFO\u0027 command. A guest user/process could use this flaw to leak contents of the host memory bytes."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "n/a",
              "lang": "en",
              "type": "text"
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      "providerMetadata": {
        "dateUpdated": "2017-06-30T16:57:01.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "[oss-security] 20161205 Re: CVE request: Qemu: display: virtio-gpu-3d: information leakage in virgl_cmd_get_capset_info",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/12/05/22"
        },
        {
          "name": "[qemu-devel] 20161101 [PATCH] virtio-gpu: fix information leak in getting capset info dispatch",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.nongnu.org/archive/html/qemu-devel/2016-11/msg00019.html"
        },
        {
          "name": "GLSA-201701-49",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201701-49"
        },
        {
          "name": "94763",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/94763"
        },
        {
          "name": "[oss-security] 20161205 CVE request: Qemu: display: virtio-gpu-3d: information leakage in virgl_cmd_get_capset_info",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/12/05/15"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2016-9845",
    "datePublished": "2016-12-29T22:00:00.000Z",
    "dateReserved": "2016-12-05T00:00:00.000Z",
    "dateUpdated": "2024-08-06T02:59:03.575Z",
    "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.

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