Vulnerability-Lookup

CNVD-2017-23666

Vulnerability from cnvd - Published: 2017-08-29

Title

Linux Kernel 'drivers/acpi/acpica/dsutils.c'本地信息泄露漏洞

Description

Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。 Linux kernel 4.12.9及之前的版本中的drivers/acpi/acpica/dsutils.c文件的‘acpi_ds_create_operands()’函数存在本地信息泄露漏洞，该漏洞源于程序未能清除缓存的操作数。本地攻击者可借助特制的ACPI表单利用该漏洞获取内核内存中的敏感信息，并绕过KASLR保护机制。

Severity

中

Patch Name

Linux Kernel 'drivers/acpi/acpica/dsutils.c'本地信息泄露漏洞的补丁

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://github.com/acpica/acpica/pull/295/commits/987a3b5cf7175916e2a4b6ea5b8e70f830dfe732

Reference

https://nvd.nist.gov/vuln/detail/CVE-2017-13693

Impacted products

Name
Linux kernel <=4.12.9

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "100502"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-13693"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.12.9\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684drivers/acpi/acpica/dsutils.c\u6587\u4ef6\u7684\u2018acpi_ds_create_operands()\u2019\u51fd\u6570\u5b58\u5728\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6e05\u9664\u7f13\u5b58\u7684\u64cd\u4f5c\u6570\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684ACPI\u8868\u5355\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u5185\u6838\u5185\u5b58\u4e2d\u7684\u654f\u611f\u4fe1\u606f\uff0c\u5e76\u7ed5\u8fc7KASLR\u4fdd\u62a4\u673a\u5236\u3002",
  "discovererName": "Seunghun Han",
  "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://github.com/acpica/acpica/pull/295/commits/987a3b5cf7175916e2a4b6ea5b8e70f830dfe732",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-23666",
  "openTime": "2017-08-29",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.12.9\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684drivers/acpi/acpica/dsutils.c\u6587\u4ef6\u7684\u2018acpi_ds_create_operands()\u2019\u51fd\u6570\u5b58\u5728\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6e05\u9664\u7f13\u5b58\u7684\u64cd\u4f5c\u6570\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684ACPI\u8868\u5355\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u5185\u6838\u5185\u5b58\u4e2d\u7684\u654f\u611f\u4fe1\u606f\uff0c\u5e76\u7ed5\u8fc7KASLR\u4fdd\u62a4\u673a\u5236\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 \u0027drivers/acpi/acpica/dsutils.c\u0027\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c=4.12.9"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-13693",
  "serverity": "\u4e2d",
  "submitTime": "2017-08-28",
  "title": "Linux Kernel \u0027drivers/acpi/acpica/dsutils.c\u0027\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2017-13693 (GCVE-0-2017-13693)

Vulnerability from cvelistv5 – Published: 2017-08-25 07:00 – Updated: 2024-12-18 17:51

Summary

The acpi_ds_create_operands() function in drivers/acpi/acpica/dsutils.c in the Linux kernel through 4.12.9 does not flush the operand cache and causes a kernel stack dump, which allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism (in the kernel through 4.9) via a crafted ACPI table.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2316 records in the last 180 days details

References

4 references

URL	Tags
https://patchwork.kernel.org/patch/9919053/
https://github.com/acpica/acpica/pull/295/commits…
http://www.securityfocus.com/bid/100502	vdb-entry
https://github.com/acpica/acpica/pull/295

Date Public

2017-08-25 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.

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