cnvd - cnvd-2017-05433

cnvd-2017-05433

Vulnerability from cnvd

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

Modified

2024-08-05 15:56

Severity ?

CWE

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.

References

▼	URL	Tags
	https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2017/04/03/2	mailing-list, x_refsource_MLIST
	https://security.gentoo.org/glsa/201706-03	vendor-advisory, x_refsource_GENTOO
	https://bugzilla.redhat.com/show_bug.cgi?id=1437871	x_refsource_CONFIRM
	http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e	x_refsource_CONFIRM
	https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.html	mailing-list, x_refsource_MLIST
	http://www.securityfocus.com/bid/97319	vdb-entry, x_refsource_BID

Impacted products

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

Show details on NVD website

JSON

To clipboard

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          },
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}

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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