github - ghsa-647q-gc86-99gj

GHSA-647Q-GC86-99GJ

Vulnerability from github – Published: 2022-05-13 01:52 – Updated: 2022-05-13 01:52

Details

If a malicious attacker has used another vulnerability to gain full control over a content process, they may be able to replace the alternate data resources stored in the JavaScript Start-up Bytecode Cache (JSBC) for other JavaScript code. If the parent process then runs this replaced code, the executed script would be run with the parent process' privileges, escaping the sandbox on content processes. This vulnerability affects Firefox < 60.

Severity ?

8.1 (High)


                  
                    CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2018-5163"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-281"
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-06-11T21:29:00Z",
    "severity": "HIGH"
  },
  "details": "If a malicious attacker has used another vulnerability to gain full control over a content process, they may be able to replace the alternate data resources stored in the JavaScript Start-up Bytecode Cache (JSBC) for other JavaScript code. If the parent process then runs this replaced code, the executed script would be run with the parent process\u0027 privileges, escaping the sandbox on content processes. This vulnerability affects Firefox \u003c 60.",
  "id": "GHSA-647q-gc86-99gj",
  "modified": "2022-05-13T01:52:43Z",
  "published": "2022-05-13T01:52:43Z",
  "references": [
    {
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-5163"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1426353"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3645-1"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2018-11"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/104139"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1040896"
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  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2018-5163 (GCVE-0-2018-5163)

Vulnerability from cvelistv5 – Published: 2018-06-11 21:00 – Updated: 2024-08-05 05:26

Summary

Severity ?

No CVSS data available.

CWE

Replacing cached data in JavaScript Start-up Bytecode Cache

Assigner

mozilla

References

URL

Tags

	https://bugzilla.mozilla.org/show_bug.cgi?id=1426353	x_refsource_CONFIRM
	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1040896	vdb-entryx_refsource_SECTRACK
	https://usn.ubuntu.com/3645-1/	vendor-advisoryx_refsource_UBUNTU
	http://www.securityfocus.com/bid/104139	vdb-entryx_refsource_BID

Impacted products

	Vendor	Product	Version
	Mozilla	Firefox	Affected: unspecified , < 60 (custom)

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JSON

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Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-647Q-GC86-99GJ

CVE-2018-5163 (GCVE-0-2018-5163)

Tags

Sightings

Nomenclature