Vulnerability-Lookup

CNVD-2017-15544

Vulnerability from cnvd - Published: 2017-07-20

Title

Linux Kernel 'offset2lib'本地安全绕过漏洞

Description

Linux kernel是一款开源的操作系统。 Linux Kernel 'offset2lib'存在本地安全绕过漏洞，允许本地攻击者利用漏洞提交特殊的请求，绕过限制。

Severity

高

Patch Name

Linux Kernel 'offset2lib'本地安全绕过漏洞的补丁

Patch Description

Linux kernel是一款开源的操作系统。 Linux Kernel 'offset2lib'存在本地安全绕过漏洞，允许本地攻击者利用漏洞提交特殊的请求，绕过限制。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

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://www.kernel.org/

Reference

https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt

Impacted products

Name
Linux kernel <=4.11.5

Show details on source website

JSON

To clipboard

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      "bidNumber": "99149"
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    "cve": {
      "cveNumber": "CVE-2017-1000370"
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  "description": "Linux kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux Kernel \u0027offset2lib\u0027\u5b58\u5728\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u7ed5\u8fc7\u9650\u5236\u3002",
  "discovererName": "Qualys Inc",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://www.kernel.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-15544",
  "openTime": "2017-07-20",
  "patchDescription": "Linux kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux Kernel \u0027offset2lib\u0027\u5b58\u5728\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u7ed5\u8fc7\u9650\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 \u0027offset2lib\u0027\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c=4.11.5"
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  "referenceLink": "https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt",
  "serverity": "\u9ad8",
  "submitTime": "2017-06-21",
  "title": "Linux Kernel \u0027offset2lib\u0027\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2017-1000370 (GCVE-0-2017-1000370)

Vulnerability from cvelistv5 – Published: 2017-06-19 16:00 – Updated: 2024-08-05 22:00

Summary

The offset2lib patch as used in the Linux Kernel contains a vulnerability that allows a PIE binary to be execve()'ed with 1GB of arguments or environmental strings then the stack occupies the address 0x80000000 and the PIE binary is mapped above 0x40000000 nullifying the protection of the offset2lib patch. This affects Linux Kernel version 4.11.5 and earlier. This is a different issue than CVE-2017-1000371. This issue appears to be limited to i386 based systems.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2290 records in the last 180 days details

References

6 references

URL	Tags
http://www.securityfocus.com/bid/99149	vdb-entryx_refsource_BID
https://www.qualys.com/2017/06/19/stack-clash/sta…	x_refsource_MISC
http://www.debian.org/security/2017/dsa-3981	vendor-advisoryx_refsource_DEBIAN
https://www.exploit-db.com/exploits/42273/	exploitx_refsource_EXPLOIT-DB
https://www.exploit-db.com/exploits/42274/	exploitx_refsource_EXPLOIT-DB
https://access.redhat.com/security/cve/CVE-2017-1000370	x_refsource_CONFIRM

Date Public

2017-06-19 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.

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