cnvd - cnvd-2017-15544

cnvd-2017-15544

Vulnerability from cnvd

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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  "bids": {
    "bid": {
      "bidNumber": "99149"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-1000370"
    }
  },
  "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"
  },
  "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

Modified

2024-08-05 22:00

Severity ?

CWE

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.

References

▼	URL	Tags
	http://www.securityfocus.com/bid/99149	vdb-entry, x_refsource_BID
	https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt	x_refsource_MISC
	http://www.debian.org/security/2017/dsa-3981	vendor-advisory, x_refsource_DEBIAN
	https://www.exploit-db.com/exploits/42273/	exploit, x_refsource_EXPLOIT-DB
	https://www.exploit-db.com/exploits/42274/	exploit, x_refsource_EXPLOIT-DB
	https://access.redhat.com/security/cve/CVE-2017-1000370	x_refsource_CONFIRM

Impacted products

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

Show details on NVD website

JSON

To clipboard

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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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