Vulnerability-Lookup

CNVD-2016-01946

Vulnerability from cnvd - Published: 2016-03-31

Title

QEMU 'ne2000_buffer_full()'拒绝服务漏洞

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中存在安全漏洞，该漏洞由于程序处理特定的数据包时，hw/net/ne2000.c文件的‘ne2000_buffer_full()’函数中存在错误。当程序支持NE2000 NIC仿真时，本地攻击者利用该漏洞造成拒绝服务（无限循环），或获取提升的权限。

Severity

低

Patch Name

QEMU 'ne2000_buffer_full()'拒绝服务漏洞的补丁

Patch Description

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.gnu.org/archive/html/qemu-devel/2016-02/msg06126.html

Reference

https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg05522.html

Impacted products

Name
QEMU QEMU

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-2841"
    }
  },
  "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\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u7531\u4e8e\u7a0b\u5e8f\u5904\u7406\u7279\u5b9a\u7684\u6570\u636e\u5305\u65f6\uff0chw/net/ne2000.c\u6587\u4ef6\u7684\u2018ne2000_buffer_full()\u2019\u51fd\u6570\u4e2d\u5b58\u5728\u9519\u8bef\u3002\u5f53\u7a0b\u5e8f\u652f\u6301NE2000 NIC\u4eff\u771f\u65f6\uff0c\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\uff09\uff0c\u6216\u83b7\u53d6\u63d0\u5347\u7684\u6743\u9650\u3002",
  "discovererName": "Yang Hongke",
  "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.gnu.org/archive/html/qemu-devel/2016-02/msg06126.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-01946",
  "openTime": "2016-03-31",
  "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\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u7531\u4e8e\u7a0b\u5e8f\u5904\u7406\u7279\u5b9a\u7684\u6570\u636e\u5305\u65f6\uff0chw/net/ne2000.c\u6587\u4ef6\u7684\u2018ne2000_buffer_full()\u2019\u51fd\u6570\u4e2d\u5b58\u5728\u9519\u8bef\u3002\u5f53\u7a0b\u5e8f\u652f\u6301NE2000 NIC\u4eff\u771f\u65f6\uff0c\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\uff09\uff0c\u6216\u83b7\u53d6\u63d0\u5347\u7684\u6743\u9650\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 \u0027ne2000_buffer_full()\u0027\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "QEMU QEMU"
  },
  "referenceLink": "https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg05522.html",
  "serverity": "\u4f4e",
  "submitTime": "2016-03-30",
  "title": "QEMU \u0027ne2000_buffer_full()\u0027\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2016-2841 (GCVE-0-2016-2841)

Vulnerability from cvelistv5 – Published: 2016-06-16 18:00 – Updated: 2024-08-05 23:32

Summary

The ne2000_receive function in the NE2000 NIC emulation support (hw/net/ne2000.c) in QEMU before 2.5.1 allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via crafted values for the PSTART and PSTOP registers, involving ring buffer control.

Severity

No CVSS data available.

CWE

Assigner

redhat CNA under the redhat root

CNA scorecard B 81/100 over 996 records in the last 180 days details

References

9 references

URL	Tags
http://www.openwall.com/lists/oss-security/2016/03/02/8	mailing-listx_refsource_MLIST
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=41…	x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1303106	x_refsource_CONFIRM
http://www.securityfocus.com/bid/84028	vdb-entryx_refsource_BID
https://security.gentoo.org/glsa/201609-01	vendor-advisoryx_refsource_GENTOO
https://lists.gnu.org/archive/html/qemu-devel/201…	mailing-listx_refsource_MLIST
http://www.ubuntu.com/usn/USN-2974-1	vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
http://lists.nongnu.org/archive/html/qemu-stable/…	mailing-listx_refsource_MLIST

Date Public

2016-02-26 00:00

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-05T23:32:21.295Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[oss-security] 20160302 CVE request Qemu: net: ne2000: infinite loop in ne2000_receive",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
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            "url": "http://www.openwall.com/lists/oss-security/2016/03/02/8"
          },
          {
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          },
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            "tags": [
              "x_refsource_CONFIRM",
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1303106"
          },
          {
            "name": "84028",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
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            ],
            "url": "http://www.securityfocus.com/bid/84028"
          },
          {
            "name": "GLSA-201609-01",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201609-01"
          },
          {
            "name": "[qemu-devel] 20160226 Re: [PATCH v2] net: ne2000: check ring buffer control registers",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg06126.html"
          },
          {
            "name": "USN-2974-1",
            "tags": [
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            "url": "http://www.ubuntu.com/usn/USN-2974-1"
          },
          {
            "name": "[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update",
            "tags": [
              "mailing-list",
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              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html"
          },
          {
            "name": "[qemu-stable] 20160329 [Qemu-stable] [ANNOUNCE] QEMU 2.5.1 Stable released",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://lists.nongnu.org/archive/html/qemu-stable/2016-03/msg00064.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
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      "descriptions": [
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          "lang": "en",
          "value": "The ne2000_receive function in the NE2000 NIC emulation support (hw/net/ne2000.c) in QEMU before 2.5.1 allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via crafted values for the PSTART and PSTOP registers, involving ring buffer control."
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      },
      "references": [
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          "name": "[oss-security] 20160302 CVE request Qemu: net: ne2000: infinite loop in ne2000_receive",
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          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/03/02/8"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=415ab35a441eca767d033a2702223e785b9d5190"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1303106"
        },
        {
          "name": "84028",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/84028"
        },
        {
          "name": "GLSA-201609-01",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201609-01"
        },
        {
          "name": "[qemu-devel] 20160226 Re: [PATCH v2] net: ne2000: check ring buffer control registers",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg06126.html"
        },
        {
          "name": "USN-2974-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2974-1"
        },
        {
          "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"
        },
        {
          "name": "[qemu-stable] 20160329 [Qemu-stable] [ANNOUNCE] QEMU 2.5.1 Stable released",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://lists.nongnu.org/archive/html/qemu-stable/2016-03/msg00064.html"
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    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2016-2841",
    "datePublished": "2016-06-16T18:00:00.000Z",
    "dateReserved": "2016-03-02T00:00:00.000Z",
    "dateUpdated": "2024-08-05T23:32:21.295Z",
    "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.

Vulnerability timeline

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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.

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