cnvd - cnvd-2016-01541

cnvd-2016-01541

Vulnerability from cnvd

Title: QEMU拒绝服务漏洞（CNVD-2016-01541）

Description:

QEMU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存在安全漏洞。由于程序处理随机数生成熵的请求时存在错误。当程序使用Pseudo Random Number Generator(PRNG)后端支持时，本地攻击者利用该漏洞耗尽栈分配的内存造成拒绝服务（QEMU进程崩溃）。

Severity: 中

Patch Name: QEMU拒绝服务漏洞（CNVD-2016-01541）的补丁

Patch Description:

QEMU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存在安全漏洞。由于程序处理随机数生成熵的请求时存在错误。当程序使用Pseudo Random Number Generator(PRNG)后端支持时，本地攻击者利用该漏洞耗尽栈分配的内存造成拒绝服务（QEMU进程崩溃）。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： http://git.qemu.org/?p=qemu.git;a=commit;h=60253ed1e6ec6d8e5ef2efe7bf755f475

Reference: http://git.qemu.org/?p=qemu.git;a=commit;h=60253ed1e6ec6d8e5ef2efe7bf755f475 https://bugzilla.redhat.com/show_bug.cgi?id=1314676 http://secunia.com/advisories/69351

Impacted products

Name
QEMU QEMU

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-2858"
    }
  },
  "description": "QEMU\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\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u7531\u4e8e\u7a0b\u5e8f\u5904\u7406\u968f\u673a\u6570\u751f\u6210\u71b5\u7684\u8bf7\u6c42\u65f6\u5b58\u5728\u9519\u8bef\u3002\u5f53\u7a0b\u5e8f\u4f7f\u7528Pseudo Random Number Generator(PRNG)\u540e\u7aef\u652f\u6301\u65f6\uff0c\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u8017\u5c3d\u6808\u5206\u914d\u7684\u5185\u5b58\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08QEMU\u8fdb\u7a0b\u5d29\u6e83\uff09\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\nhttp://git.qemu.org/?p=qemu.git;a=commit;h=60253ed1e6ec6d8e5ef2efe7bf755f475",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-01541",
  "openTime": "2016-03-10",
  "patchDescription": "QEMU\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\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u7531\u4e8e\u7a0b\u5e8f\u5904\u7406\u968f\u673a\u6570\u751f\u6210\u71b5\u7684\u8bf7\u6c42\u65f6\u5b58\u5728\u9519\u8bef\u3002\u5f53\u7a0b\u5e8f\u4f7f\u7528Pseudo Random Number Generator(PRNG)\u540e\u7aef\u652f\u6301\u65f6\uff0c\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u8017\u5c3d\u6808\u5206\u914d\u7684\u5185\u5b58\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08QEMU\u8fdb\u7a0b\u5d29\u6e83\uff09\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-01541\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "QEMU QEMU"
  },
  "referenceLink": "http://git.qemu.org/?p=qemu.git;a=commit;h=60253ed1e6ec6d8e5ef2efe7bf755f475\r\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1314676\r\nhttp://secunia.com/advisories/69351",
  "serverity": "\u4e2d",
  "submitTime": "2016-03-09",
  "title": "QEMU\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-01541\uff09"
}

CVE-2016-2858 (GCVE-0-2016-2858)

Vulnerability from cvelistv5

Published

2016-04-07 19:00

Modified

2024-08-05 23:40

Severity ?

CWE

Summary

QEMU, when built with the Pseudo Random Number Generator (PRNG) back-end support, allows local guest OS users to cause a denial of service (process crash) via an entropy request, which triggers arbitrary stack based allocation and memory corruption.

References

▼	URL	Tags
	http://www.openwall.com/lists/oss-security/2016/03/07/4	mailing-list, x_refsource_MLIST
	https://bugzilla.redhat.com/show_bug.cgi?id=1314676	x_refsource_CONFIRM
	http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=60253ed1e6ec6d8e5ef2efe7bf755f475dce9956	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/201604-01	vendor-advisory, x_refsource_GENTOO
	http://www.securityfocus.com/bid/84134	vdb-entry, x_refsource_BID
	http://www.ubuntu.com/usn/USN-2974-1	vendor-advisory, x_refsource_UBUNTU
	http://www.openwall.com/lists/oss-security/2016/03/04/1	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html	mailing-list, x_refsource_MLIST

Impacted products

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

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T23:40:13.545Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[oss-security] 20160306 Re: CVE request Qemu: rng-random: arbitrary stack based allocation leading to corruption",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/03/07/4"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1314676"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=60253ed1e6ec6d8e5ef2efe7bf755f475dce9956"
          },
          {
            "name": "GLSA-201604-01",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201604-01"
          },
          {
            "name": "84134",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/84134"
          },
          {
            "name": "USN-2974-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2974-1"
          },
          {
            "name": "[oss-security] 20160304 CVE request Qemu: rng-random: arbitrary stack based allocation leading to corruption",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/03/04/1"
          },
          {
            "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": [
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              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-03-04T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "QEMU, when built with the Pseudo Random Number Generator (PRNG) back-end support, allows local guest OS users to cause a denial of service (process crash) via an entropy request, which triggers arbitrary stack based allocation and memory corruption."
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
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              "lang": "en",
              "type": "text"
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      ],
      "providerMetadata": {
        "dateUpdated": "2018-12-01T10:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "[oss-security] 20160306 Re: CVE request Qemu: rng-random: arbitrary stack based allocation leading to corruption",
          "tags": [
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          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/03/07/4"
        },
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          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1314676"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=60253ed1e6ec6d8e5ef2efe7bf755f475dce9956"
        },
        {
          "name": "GLSA-201604-01",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201604-01"
        },
        {
          "name": "84134",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/84134"
        },
        {
          "name": "USN-2974-1",
          "tags": [
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            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2974-1"
        },
        {
          "name": "[oss-security] 20160304 CVE request Qemu: rng-random: arbitrary stack based allocation leading to corruption",
          "tags": [
            "mailing-list",
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          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/03/04/1"
        },
        {
          "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"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
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    "datePublished": "2016-04-07T19:00:00",
    "dateReserved": "2016-03-06T00:00:00",
    "dateUpdated": "2024-08-05T23:40:13.545Z",
    "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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