github - ghsa-6vwf-m72q-cw8h

ghsa-6vwf-m72q-cw8h

Vulnerability from github

Published

2022-05-13 01:34

Modified

2022-05-13 01:34

Severity ?

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

Details

A heap use-after-free flaw was found in curl versions from 7.59.0 through 7.61.1 in the code related to closing an easy handle. When closing and cleaning up an 'easy' handle in the Curl_close() function, the library code first frees a struct (without nulling the pointer) and might then subsequently erroneously write to a struct field within that already freed struct.

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2018-16840"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-10-31T18:29:00Z",
    "severity": "CRITICAL"
  },
  "details": "A heap use-after-free flaw was found in curl versions from 7.59.0 through 7.61.1 in the code related to closing an easy handle. When closing and cleaning up an \u0027easy\u0027 handle in the `Curl_close()` function, the library code first frees a struct (without nulling the pointer) and might then subsequently erroneously write to a struct field within that already freed struct.",
  "id": "GHSA-6vwf-m72q-cw8h",
  "modified": "2022-05-13T01:34:06Z",
  "published": "2022-05-13T01:34:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-16840"
    },
    {
      "type": "WEB",
      "url": "https://github.com/curl/curl/commit/81d135d67155c5295b1033679c606165d4e28f3f"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16840"
    },
    {
      "type": "WEB",
      "url": "https://curl.haxx.se/docs/CVE-2018-16840.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201903-03"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3805-1"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1042013"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2018-16840

Vulnerability from cvelistv5

Published

2018-10-31 18:00

Modified

2024-08-05 10:32

Severity ?

4.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Summary

A heap use-after-free flaw was found in curl versions from 7.59.0 through 7.61.1 in the code related to closing an easy handle. When closing and cleaning up an 'easy' handle in the `Curl_close()` function, the library code first frees a struct (without nulling the pointer) and might then subsequently erroneously write to a struct field within that already freed struct.

References

▼	URL	Tags
	https://security.gentoo.org/glsa/201903-03	vendor-advisory, x_refsource_GENTOO
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16840	x_refsource_CONFIRM
	https://github.com/curl/curl/commit/81d135d67155c5295b1033679c606165d4e28f3f	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1042013	vdb-entry, x_refsource_SECTRACK
	https://curl.haxx.se/docs/CVE-2018-16840.html	x_refsource_MISC
	https://usn.ubuntu.com/3805-1/	vendor-advisory, x_refsource_UBUNTU

Impacted products

▼	Vendor	Product
	The Curl Project	curl

Show details on NVD website

JSON

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{
  "containers": {
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        "providerMetadata": {
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              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3805-1/"
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        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "curl",
          "vendor": "The Curl Project",
          "versions": [
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      "metrics": [
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
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      "providerMetadata": {
        "dateUpdated": "2019-03-11T09:57:01",
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        },
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          "url": "https://curl.haxx.se/docs/CVE-2018-16840.html"
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            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3805-1/"
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      "x_legacyV4Record": {
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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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