Vulnerability-Lookup

CNVD-2015-07896

Vulnerability from cnvd - Published: 2015-12-03

Title

QEMU AMD PC-Net II Ethernet Controller Packet Length缓冲区溢出漏洞

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 2.5.0版本中的hw/net/pcnet.c文件中的‘pcnet_receive’函数中存在缓冲区溢出漏洞，该漏洞源于程序使用non-loopback模式接收数据包时，未能正确验证接收数据的大小。远程攻击者可利用该漏洞执行任意代码。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： http://www.qemu.org/

Reference

https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06341.html https://bugzilla.redhat.com/show_bug.cgi?id=1285061 http://secunia.com/advisories/67574

Impacted products

Name
QEMU QEMU 2.5.0

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-7512"
    }
  },
  "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 2.5.0\u7248\u672c\u4e2d\u7684hw/net/pcnet.c\u6587\u4ef6\u4e2d\u7684\u2018pcnet_receive\u2019\u51fd\u6570\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u4f7f\u7528non-loopback\u6a21\u5f0f\u63a5\u6536\u6570\u636e\u5305\u65f6\uff0c\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u63a5\u6536\u6570\u636e\u7684\u5927\u5c0f\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "Jason Wang",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttp://www.qemu.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-07896",
  "openTime": "2015-12-03",
  "products": {
    "product": "QEMU QEMU 2.5.0"
  },
  "referenceLink": "https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06341.html\r\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1285061\r\nhttp://secunia.com/advisories/67574",
  "serverity": "\u4e2d",
  "submitTime": "2015-12-02",
  "title": "QEMU AMD PC-Net II Ethernet Controller Packet Length\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2015-7512 (GCVE-0-2015-7512)

Vulnerability from cvelistv5 – Published: 2016-01-08 21:00 – Updated: 2024-08-06 07:51

Summary

Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

12 references

URL	Tags
http://rhn.redhat.com/errata/RHSA-2015-2694.html	vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2015/11/30/3	mailing-listx_refsource_MLIST
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=8b…	x_refsource_CONFIRM
http://www.debian.org/security/2016/dsa-3469	vendor-advisoryx_refsource_DEBIAN
http://www.debian.org/security/2016/dsa-3470	vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/78230	vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1034527	vdb-entryx_refsource_SECTRACK
http://www.debian.org/security/2016/dsa-3471	vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/201602-01	vendor-advisoryx_refsource_GENTOO
http://rhn.redhat.com/errata/RHSA-2015-2696.html	vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2015-2695.html	vendor-advisoryx_refsource_REDHAT

Date Public

2015-11-30 00:00

Show details on NVD website

JSON

To clipboard

{
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          "dateUpdated": "2024-08-06T07:51:28.099Z",
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            "tags": [
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              "x_refsource_SECTRACK",
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            "url": "http://www.securitytracker.com/id/1034527"
          },
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            "name": "DSA-3471",
            "tags": [
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            "url": "http://www.debian.org/security/2016/dsa-3471"
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    "cna": {
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      "problemTypes": [
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        },
        {
          "name": "DSA-3469",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
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        },
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          "name": "DSA-3470",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2016/dsa-3470"
        },
        {
          "name": "78230",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/78230"
        },
        {
          "name": "1034527",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1034527"
        },
        {
          "name": "DSA-3471",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2016/dsa-3471"
        },
        {
          "name": "GLSA-201602-01",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201602-01"
        },
        {
          "name": "RHSA-2015:2696",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2015-2696.html"
        },
        {
          "name": "RHSA-2015:2695",
          "tags": [
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            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2015-2695.html"
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  "cveMetadata": {
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    "assignerShortName": "redhat",
    "cveId": "CVE-2015-7512",
    "datePublished": "2016-01-08T21:00:00.000Z",
    "dateReserved": "2015-09-29T00:00:00.000Z",
    "dateUpdated": "2024-08-06T07:51:28.099Z",
    "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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.