github - ghsa-wr3q-fcxj-4873

ghsa-wr3q-fcxj-4873

Vulnerability from github

Published

2022-05-13 01:41

Modified

2022-05-13 01:41

Severity ?

7.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

The offset2lib patch as used by the Linux Kernel contains a vulnerability, if RLIMIT_STACK is set to RLIM_INFINITY and 1 Gigabyte of memory is allocated (the maximum under the 1/4 restriction) then the stack will be grown down to 0x80000000, and as the PIE binary is mapped above 0x80000000 the minimum distance between the end of the PIE binary's read-write segment and the start of the stack becomes small enough that the stack guard page can be jumped over by an attacker. This affects Linux Kernel version 4.11.5. This is a different issue than CVE-2017-1000370 and CVE-2017-1000365. This issue appears to be limited to i386 based systems.

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{
  "affected": [],
  "aliases": [
    "CVE-2017-1000371"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-06-19T16:29:00Z",
    "severity": "HIGH"
  },
  "details": "The offset2lib patch as used by the Linux Kernel contains a vulnerability, if RLIMIT_STACK is set to RLIM_INFINITY and 1 Gigabyte of memory is allocated (the maximum under the 1/4 restriction) then the stack will be grown down to 0x80000000, and as the PIE binary is mapped above 0x80000000 the minimum distance between the end of the PIE binary\u0027s read-write segment and the start of the stack becomes small enough that the stack guard page can be jumped over by an attacker. This affects Linux Kernel version 4.11.5. This is a different issue than CVE-2017-1000370 and CVE-2017-1000365. This issue appears to be limited to i386 based systems.",
  "id": "GHSA-wr3q-fcxj-4873",
  "modified": "2022-05-13T01:41:13Z",
  "published": "2022-05-13T01:41:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-1000371"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2017-1000371"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/42273"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/42276"
    },
    {
      "type": "WEB",
      "url": "https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2017/dsa-3981"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/99131"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2017-1000371

Vulnerability from cvelistv5

Published

2017-06-19 16:00

Modified

2024-08-05 22:00

Severity ?

Summary

References

▼	URL	Tags
	https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt	x_refsource_MISC
	http://www.securityfocus.com/bid/99131	vdb-entry, x_refsource_BID
	http://www.debian.org/security/2017/dsa-3981	vendor-advisory, x_refsource_DEBIAN
	https://www.exploit-db.com/exploits/42276/	exploit, x_refsource_EXPLOIT-DB
	https://www.exploit-db.com/exploits/42273/	exploit, x_refsource_EXPLOIT-DB
	https://access.redhat.com/security/cve/CVE-2017-1000371	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	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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