Vulnerability-Lookup

CNVD-2017-01956

Vulnerability from cnvd - Published: 2017-02-25

Title

QEMU堆栈缓冲区溢出漏洞

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。 QEMU存在堆栈缓冲区溢出漏洞，该漏洞源于将用户的输入复制到大小不足的缓冲区之前未能进行充分的边界检查。攻击者利用该漏洞使QEMU实例崩溃，造成拒绝服务。

Severity

高

Patch Name

QEMU堆栈缓冲区溢出漏洞的补丁

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。 QEMU存在堆栈缓冲区溢出漏洞，该漏洞源于将用户的输入复制到大小不足的缓冲区之前未能进行充分的边界检查。攻击者利用该漏洞使QEMU实例崩溃，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

厂商已发布了漏洞修复程序，请及时关注更新： https://cgit.freedesktop.org/virglrenderer/commit/?id=926b9b3460a48f6454d8bbe9e44313d86a65447f

Reference

http://www.securityfocus.com/bid/96215

Impacted products

Name
QEMU QEMU 0

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "96215"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-5957",
      "cveUrl": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5957"
    }
  },
  "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\r\n\r\nQEMU\u5b58\u5728\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5c06\u7528\u6237\u7684\u8f93\u5165\u590d\u5236\u5230\u5927\u5c0f\u4e0d\u8db3\u7684\u7f13\u51b2\u533a\u4e4b\u524d\u672a\u80fd\u8fdb\u884c\u5145\u5206\u7684\u8fb9\u754c\u68c0\u67e5\u3002\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7fQEMU\u5b9e\u4f8b\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Li Qiang of 360.cn Inc.",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://cgit.freedesktop.org/virglrenderer/commit/?id=926b9b3460a48f6454d8bbe9e44313d86a65447f",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-01956",
  "openTime": "2017-02-25",
  "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\r\n\r\nQEMU\u5b58\u5728\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5c06\u7528\u6237\u7684\u8f93\u5165\u590d\u5236\u5230\u5927\u5c0f\u4e0d\u8db3\u7684\u7f13\u51b2\u533a\u4e4b\u524d\u672a\u80fd\u8fdb\u884c\u5145\u5206\u7684\u8fb9\u754c\u68c0\u67e5\u3002\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7fQEMU\u5b9e\u4f8b\u5d29\u6e83\uff0c\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\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "QEMU QEMU 0"
  },
  "referenceLink": "http://www.securityfocus.com/bid/96215",
  "serverity": "\u9ad8",
  "submitTime": "2017-02-17",
  "title": "QEMU\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2017-5957 (GCVE-0-2017-5957)

Vulnerability from cvelistv5 – Published: 2017-03-14 14:00 – Updated: 2024-08-05 15:18

Summary

Stack-based buffer overflow in the vrend_decode_set_framebuffer_state function in vrend_decode.c in virglrenderer before 926b9b3460a48f6454d8bbe9e44313d86a65447f, as used in Quick Emulator (QEMU), allows a local guest users to cause a denial of service (application crash) via the "nr_cbufs" argument.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://security.gentoo.org/glsa/201707-06	vendor-advisoryx_refsource_GENTOO
https://cgit.freedesktop.org/virglrenderer/commit…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/96215	vdb-entryx_refsource_BID
http://www.openwall.com/lists/oss-security/2017/02/13/3	mailing-listx_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=1421126	x_refsource_CONFIRM

Date Public

2017-02-13 00:00

Show details on NVD website

JSON

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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.