Vulnerability-Lookup

CNVD-2017-05433

Vulnerability from cnvd - Published: 2017-04-26

Title

QEMU 'hw/9pfs/9p.c'存在多个拒绝服务漏洞

Description

QEMU是一款开源模拟器软件。 QEMU在hw/9pfs/9p.c的v9fs_create、v9fs_lcreate函数存在拒绝服务漏洞，允许本地攻击者利用漏洞提交特殊请求，使应用程序崩溃。

Severity

低

Patch Name

QEMU 'hw/9pfs/9p.c'存在多个拒绝服务漏洞的补丁

Patch Description

QEMU是一款开源模拟器软件。 QEMU在hw/9pfs/9p.c的v9fs_create、v9fs_lcreate函数存在拒绝服务漏洞，允许本地攻击者利用漏洞提交特殊请求，使应用程序崩溃。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-project.org/?p=qemu.git;a=commit;h=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1437871 http://www.securityfocus.com/bid/97319 https://nvd.nist.gov/vuln/detail/CVE-2017-7377

Impacted products

Name
QEMU QEMU 0

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "97319"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7377",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7377"
    }
  },
  "description": "QEMU\u662f\u4e00\u6b3e\u5f00\u6e90\u6a21\u62df\u5668\u8f6f\u4ef6\u3002\r\n\r\nQEMU\u5728hw/9pfs/9p.c\u7684v9fs_create\u3001v9fs_lcreate\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u8bf7\u6c42\uff0c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "discovererName": "Li Qiang of 360.cn Inc.",
  "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:\r\nhttp://git.qemu-project.org/?p=qemu.git;a=commit;h=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-05433",
  "openTime": "2017-04-26",
  "patchDescription": "QEMU\u662f\u4e00\u6b3e\u5f00\u6e90\u6a21\u62df\u5668\u8f6f\u4ef6\u3002\r\n\r\nQEMU\u5728hw/9pfs/9p.c\u7684v9fs_create\u3001v9fs_lcreate\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u8bf7\u6c42\uff0c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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 \u0027hw/9pfs/9p.c\u0027\u5b58\u5728\u591a\u4e2a\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "QEMU QEMU 0"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1437871\r\nhttp://www.securityfocus.com/bid/97319\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7377",
  "serverity": "\u4f4e",
  "submitTime": "2017-04-12",
  "title": "QEMU \u0027hw/9pfs/9p.c\u0027\u5b58\u5728\u591a\u4e2a\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-7377 (GCVE-0-2017-7377)

Vulnerability from cvelistv5 – Published: 2017-04-10 15:00 – Updated: 2024-08-05 15:56

Summary

The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

7 references

URL	Tags
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2017/04/03/2	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/201706-03	vendor-advisoryx_refsource_GENTOO
https://bugzilla.redhat.com/show_bug.cgi?id=1437871	x_refsource_CONFIRM
http://git.qemu-project.org/?p=qemu.git%3Ba=commi…	x_refsource_CONFIRM
https://lists.gnu.org/archive/html/qemu-devel/201…	mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/97319	vdb-entryx_refsource_BID

Date Public

2017-03-28 00:00

Show details on NVD website

JSON

To clipboard

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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.