Vulnerability-Lookup

CNVD-2016-04387

Vulnerability from cnvd - Published: 2016-06-30

Title

Linux kernel nfsd权限获取漏洞

Description

Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。nfsd是NFS（Network File System，网络文件系统）服务器中的一个守护进程。 Linux kernel的nfsd中存在安全漏洞。攻击者可利用该漏洞为文件设置访问控制列表，获取访问权限。

Severity

高

Patch Name

Linux kernel nfsd权限获取漏洞的补丁

Patch Description

Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。nfsd是NFS（Network File System，网络文件系统）服务器中的一个守护进程。 Linux kernel的nfsd中存在安全漏洞。攻击者可利用该漏洞为文件设置访问控制列表，获取访问权限。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： https://git.kernel.org/linus/4ac7249ea5a0ceef9f8269f63f33cc873c3fac61

Reference

http://www.openwall.com/lists/oss-security/2016/06/25/2

Impacted products

Name
Linux Kernel

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-1237"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002nfsd\u662fNFS\uff08Network File System\uff0c\u7f51\u7edc\u6587\u4ef6\u7cfb\u7edf\uff09\u670d\u52a1\u5668\u4e2d\u7684\u4e00\u4e2a\u5b88\u62a4\u8fdb\u7a0b\u3002\r\n\r\nLinux kernel\u7684nfsd\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4e3a\u6587\u4ef6\u8bbe\u7f6e\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff0c\u83b7\u53d6\u8bbf\u95ee\u6743\u9650\u3002",
  "discovererName": "Salvatore Bonaccorso",
  "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://git.kernel.org/linus/4ac7249ea5a0ceef9f8269f63f33cc873c3fac61",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-04387",
  "openTime": "2016-06-30",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002nfsd\u662fNFS\uff08Network File System\uff0c\u7f51\u7edc\u6587\u4ef6\u7cfb\u7edf\uff09\u670d\u52a1\u5668\u4e2d\u7684\u4e00\u4e2a\u5b88\u62a4\u8fdb\u7a0b\u3002\r\n\r\nLinux kernel\u7684nfsd\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4e3a\u6587\u4ef6\u8bbe\u7f6e\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff0c\u83b7\u53d6\u8bbf\u95ee\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": "Linux kernel nfsd\u6743\u9650\u83b7\u53d6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2016/06/25/2",
  "serverity": "\u9ad8",
  "submitTime": "2016-06-28",
  "title": "Linux kernel nfsd\u6743\u9650\u83b7\u53d6\u6f0f\u6d1e"
}

CVE-2016-1237 (GCVE-0-2016-1237)

Vulnerability from cvelistv5 – Published: 2016-06-29 14:00 – Updated: 2024-08-05 22:48

Summary

nfsd in the Linux kernel through 4.6.3 allows local users to bypass intended file-permission restrictions by setting a POSIX ACL, related to nfs2acl.c, nfs3acl.c, and nfs4acl.c.

Severity

No CVSS data available.

CWE

Assigner

debian mitre root

References

11 references

URL	Tags
http://www.ubuntu.com/usn/USN-3070-1	vendor-advisoryx_refsource_UBUNTU
https://bugzilla.redhat.com/show_bug.cgi?id=1350845	x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-3053-1	vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2016/06/25/2	mailing-listx_refsource_MLIST
http://www.ubuntu.com/usn/USN-3070-3	vendor-advisoryx_refsource_UBUNTU
http://www.debian.org/security/2016/dsa-3607	vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-3070-2	vendor-advisoryx_refsource_UBUNTU
https://github.com/torvalds/linux/commit/99965378…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/91456	vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-3070-4	vendor-advisoryx_refsource_UBUNTU
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM

Date Public

2016-06-25 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.

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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Action not permitted

CNVD-2016-04387

CVE-2016-1237 (GCVE-0-2016-1237)

Tags

Sightings

Nomenclature

Related by attack behaviour