CVE-2023-34415 (GCVE-0-2023-34415)
Vulnerability from cvelistv5
Published
2023-06-19 10:40
Modified
2025-02-13 16:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Site-isolation bypass on sites that allow open redirects to data: urls
Summary
When choosing a site-isolated process for a document loaded from a data: URL that was the result of a redirect, Firefox would load that document in the same process as the site that issued the redirect. This bypassed the site-isolation protections against Spectre-like attacks on sites that host an "open redirect". Firefox no longer follows HTTP redirects to data: URLs. This vulnerability affects Firefox < 114.
References
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1811999"
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"url": "https://www.mozilla.org/security/advisories/mfsa2023-20/"
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"url": "https://security.gentoo.org/glsa/202401-10"
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"value": "Jun Kokatsu"
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"value": "When choosing a site-isolated process for a document loaded from a data: URL that was the result of a redirect, Firefox would load that document in the same process as the site that issued the redirect. This bypassed the site-isolation protections against Spectre-like attacks on sites that host an \"open redirect\". Firefox no longer follows HTTP redirects to data: URLs. This vulnerability affects Firefox \u003c 114."
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"dateReserved": "2023-06-05T16:57:22.625Z",
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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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