Vulnerability-Lookup

CNVD-2016-03771

Vulnerability from cnvd - Published: 2016-06-03

Title

QEMU vmsvga_fifo_read_raw函数拒绝服务漏洞

Description

QEMU是一款开源模拟器软件。 QEMU hw/display/vmware_vga.c/vmsvga_fifo_read_raw函数存在拒绝服务漏洞。本地OS用户通过更改FIFO注册器并发布VGA命令，可造成拒绝服务（QEMU进程崩溃）或获取敏感信息。

Severity

低

Patch Name

QEMU vmsvga_fifo_read_raw函数拒绝服务漏洞的补丁

Patch Description

QEMU是一款开源模拟器软件。 QEMU hw/display/vmware_vga.c/vmsvga_fifo_read_raw函数存在拒绝服务漏洞。本地OS用户通过更改FIFO注册器并发布VGA命令，可造成拒绝服务（QEMU进程崩溃）或获取敏感信息。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这个安全问题，请到厂商的主页下载： https://bugzilla.redhat.com/show_bug.cgi?id=1336429 https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg05271.html http://www.openwall.com/lists/oss-security/2016/05/30/3

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1336429 https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg05271.html http://www.openwall.com/lists/oss-security/2016/05/30/3

Impacted products

Name
QEMU QEMU

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-4454"
    }
  },
  "description": "QEMU\u662f\u4e00\u6b3e\u5f00\u6e90\u6a21\u62df\u5668\u8f6f\u4ef6\u3002\r\n\r\nQEMU hw/display/vmware_vga.c/vmsvga_fifo_read_raw\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730OS\u7528\u6237\u901a\u8fc7\u66f4\u6539FIFO\u6ce8\u518c\u5668\u5e76\u53d1\u5e03VGA\u547d\u4ee4\uff0c\u53ef\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08QEMU\u8fdb\u7a0b\u5d29\u6e83\uff09\u6216\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002",
  "discovererName": "Andrej Nem",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1336429\r\nhttps://lists.gnu.org/archive/html/qemu-devel/2016-05/msg05271.html\r\nhttp://www.openwall.com/lists/oss-security/2016/05/30/3",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-03771",
  "openTime": "2016-06-03",
  "patchDescription": "QEMU\u662f\u4e00\u6b3e\u5f00\u6e90\u6a21\u62df\u5668\u8f6f\u4ef6\u3002\r\n\r\nQEMU hw/display/vmware_vga.c/vmsvga_fifo_read_raw\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730OS\u7528\u6237\u901a\u8fc7\u66f4\u6539FIFO\u6ce8\u518c\u5668\u5e76\u53d1\u5e03VGA\u547d\u4ee4\uff0c\u53ef\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08QEMU\u8fdb\u7a0b\u5d29\u6e83\uff09\u6216\u83b7\u53d6\u654f\u611f\u4fe1\u606f\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 vmsvga_fifo_read_raw\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "QEMU QEMU"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1336429\r\nhttps://lists.gnu.org/archive/html/qemu-devel/2016-05/msg05271.html\r\nhttp://www.openwall.com/lists/oss-security/2016/05/30/3",
  "serverity": "\u4f4e",
  "submitTime": "2016-06-02",
  "title": "QEMU vmsvga_fifo_read_raw\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2016-4454 (GCVE-0-2016-4454)

Vulnerability from cvelistv5 – Published: 2016-06-01 22:00 – Updated: 2024-08-06 00:32

Summary

The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read.

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

8 references

URL	Tags
http://www.ubuntu.com/usn/USN-3047-1	vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2016/05/30/3	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/201609-01	vendor-advisoryx_refsource_GENTOO
http://www.ubuntu.com/usn/USN-3047-2	vendor-advisoryx_refsource_UBUNTU
https://lists.gnu.org/archive/html/qemu-devel/201…	mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/90927	vdb-entryx_refsource_BID
https://bugzilla.redhat.com/show_bug.cgi?id=1336429	x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST

Date Public

2016-05-30 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T00:32:25.681Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "USN-3047-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-3047-1"
          },
          {
            "name": "[oss-security] 20160530 CVE-2016-4454 Qemu: display: vmsvga: out-of-bounds read in vmsvga_fifo_read_raw() routine",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/05/30/3"
          },
          {
            "name": "GLSA-201609-01",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201609-01"
          },
          {
            "name": "USN-3047-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-3047-2"
          },
          {
            "name": "[qemu-devel] 20160530 [Qemu-devel] [PATCH 1/4] vmsvga: move fifo sanity checks to vmsvga_fifo_length",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg05271.html"
          },
          {
            "name": "90927",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/90927"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1336429"
          },
          {
            "name": "[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-05-30T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-12-01T10:57:01.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "USN-3047-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3047-1"
        },
        {
          "name": "[oss-security] 20160530 CVE-2016-4454 Qemu: display: vmsvga: out-of-bounds read in vmsvga_fifo_read_raw() routine",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/05/30/3"
        },
        {
          "name": "GLSA-201609-01",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201609-01"
        },
        {
          "name": "USN-3047-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3047-2"
        },
        {
          "name": "[qemu-devel] 20160530 [Qemu-devel] [PATCH 1/4] vmsvga: move fifo sanity checks to vmsvga_fifo_length",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg05271.html"
        },
        {
          "name": "90927",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/90927"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1336429"
        },
        {
          "name": "[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2016-4454",
    "datePublished": "2016-06-01T22:00:00.000Z",
    "dateReserved": "2016-05-02T00:00:00.000Z",
    "dateUpdated": "2024-08-06T00:32:25.681Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

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CNVD-2016-03771

CVE-2016-4454 (GCVE-0-2016-4454)

Tags

Sightings

Nomenclature

Related by attack behaviour