Vulnerability-Lookup

GHSA-2VP6-MVMX-FXH9

Vulnerability from github – Published: 2022-05-24 19:06 – Updated: 2022-05-24 19:06

Details

A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have also enabled JIT type confusion attacks. (A related vulnerability, Speculative Code Store Bypass (SCSB), did not affect Firefox.). This vulnerability affects Firefox ESR < 78.9 and Firefox < 87.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-29955"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-74"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-06-24T14:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have also enabled JIT type confusion attacks. (A related vulnerability, Speculative Code Store Bypass (SCSB), did not affect Firefox.). This vulnerability affects Firefox ESR \u003c 78.9 and Firefox \u003c 87.",
  "id": "GHSA-2vp6-mvmx-fxh9",
  "modified": "2022-05-24T19:06:08Z",
  "published": "2022-05-24T19:06:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29955"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1692972"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-10"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-11"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-29955 (GCVE-0-2021-29955)

Vulnerability from cvelistv5 – Published: 2021-06-24 13:17 – Updated: 2024-08-03 22:18

Summary

Severity

No CVSS data available.

CWE

Transient Execution Vulnerability allowed leaking arbitrary memory address

Assigner

mozilla

References

3 references

URL	Tags
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1692972	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox ESR	Affected: unspecified , < 78.9 (custom)
Mozilla	Firefox	Affected: unspecified , < 87 (custom)

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JSON

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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-2VP6-MVMX-FXH9

CVE-2021-29955 (GCVE-0-2021-29955)

Tags

Sightings

Nomenclature