Vulnerability-Lookup

CNVD-2017-37029

Vulnerability from cnvd - Published: 2017-12-14

Title

Linux Kernel 'bnep_add_connection'函数本地权限提升漏洞

Description

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 3.19之前的版本中的net/bluetooth/bnep/core.c文件的'bnep_add_connection'函数存在安全漏洞，该漏洞源于程序未能确保l2cap套字节可用。本地攻击者可借助特制的应用程序利用该漏洞获取权限。

Severity

中

Patch Name

Linux Kernel 'bnep_add_connection'函数本地权限提升漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71bb99a02b32b4cc4265118e85f6035ca72923f0

Reference

https://nvd.nist.gov/vuln/detail/CVE-2017-15868

Impacted products

Name
Linux Kernel <3.19

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2017-15868"
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  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 3.19\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684net/bluetooth/bnep/core.c\u6587\u4ef6\u7684\u0027bnep_add_connection\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u786e\u4fddl2cap\u5957\u5b57\u8282\u53ef\u7528\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u5e94\u7528\u7a0b\u5e8f\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u6743\u9650\u3002",
  "discovererName": "Al Viro",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71bb99a02b32b4cc4265118e85f6035ca72923f0",
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  "number": "CNVD-2017-37029",
  "openTime": "2017-12-14",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 3.19\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684net/bluetooth/bnep/core.c\u6587\u4ef6\u7684\u0027bnep_add_connection\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u786e\u4fddl2cap\u5957\u5b57\u8282\u53ef\u7528\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u5e94\u7528\u7a0b\u5e8f\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\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",
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  "products": {
    "product": "Linux Kernel \u003c3.19"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-15868",
  "serverity": "\u4e2d",
  "submitTime": "2017-12-06",
  "title": "Linux Kernel \u0027bnep_add_connection\u0027\u51fd\u6570\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2017-15868 (GCVE-0-2017-15868)

Vulnerability from cvelistv5 – Published: 2017-12-05 23:00 – Updated: 2024-08-05 20:04

Summary

The bnep_add_connection function in net/bluetooth/bnep/core.c in the Linux kernel before 3.19 does not ensure that an l2cap socket is available, which allows local users to gain privileges via a crafted application.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

10 references

URL	Tags
https://www.debian.org/security/2018/dsa-4082	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2017…	mailing-listx_refsource_MLIST
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
https://usn.ubuntu.com/3583-2/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/3583-1/	vendor-advisoryx_refsource_UBUNTU
https://source.android.com/security/bulletin/pixe…	x_refsource_CONFIRM
https://patchwork.kernel.org/patch/9882449/	x_refsource_CONFIRM
https://github.com/torvalds/linux/commit/71bb99a0…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/102084	vdb-entryx_refsource_BID

Date Public

2017-12-05 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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CNVD-2017-37029

CVE-2017-15868 (GCVE-0-2017-15868)

Tags

Sightings

Nomenclature

Related by attack behaviour