ubuntu-cve-2023-23602
Vulnerability from osv_ubuntu
Published
2023-01-18 00:00
Modified
2026-04-22 07:45
Summary
Details
A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.
Severity
6.5 (Medium)
6.5 (Medium)
N/A (UNKNOWN)
References
{
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"ecosystem": "Ubuntu:22.04:LTS",
"name": "mozjs91",
"purl": "pkg:deb/ubuntu/mozjs91@91.10.0-0ubuntu1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"91.5.1-0ubuntu1",
"91.6.0-1",
"91.6.0-2",
"91.7.0-2",
"91.10.0-0ubuntu1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "thunderbird",
"binary_version": "1:102.7.1+build2-0ubuntu0.22.04.1"
},
{
"binary_name": "thunderbird-gnome-support",
"binary_version": "1:102.7.1+build2-0ubuntu0.22.04.1"
},
{
"binary_name": "thunderbird-mozsymbols",
"binary_version": "1:102.7.1+build2-0ubuntu0.22.04.1"
},
{
"binary_name": "xul-ext-calendar-timezones",
"binary_version": "1:102.7.1+build2-0ubuntu0.22.04.1"
},
{
"binary_name": "xul-ext-gdata-provider",
"binary_version": "1:102.7.1+build2-0ubuntu0.22.04.1"
},
{
"binary_name": "xul-ext-lightning",
"binary_version": "1:102.7.1+build2-0ubuntu0.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "thunderbird",
"purl": "pkg:deb/ubuntu/thunderbird@1:102.7.1+build2-0ubuntu0.22.04.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:102.7.1+build2-0ubuntu0.22.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:91.1.2+build1-0ubuntu1",
"1:91.3.0+build2-0ubuntu1",
"1:91.3.1+build1-0ubuntu1",
"1:91.3.2+build1-0ubuntu1",
"1:91.4.0+build1.1-0ubuntu1",
"1:91.4.0+build2-0ubuntu1",
"1:91.5.0+build1-0ubuntu1",
"1:91.5.1+build1-0ubuntu1",
"1:91.6.1+build1-0ubuntu1",
"1:91.7.0+build1-0ubuntu1",
"1:91.7.0+build2-0ubuntu1",
"1:91.8.0+build2-0ubuntu1",
"1:91.9.1+build1-0ubuntu0.22.04.1",
"1:91.11.0+build2-0ubuntu0.22.04.1",
"1:102.2.2+build1-0ubuntu0.22.04.1",
"1:102.4.2+build2-0ubuntu0.22.04.1"
]
}
],
"aliases": [],
"details": "A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox \u003c 109, Firefox ESR \u003c 102.7, and Thunderbird \u003c 102.7.",
"id": "UBUNTU-CVE-2023-23602",
"modified": "2026-04-22T07:45:15Z",
"published": "2023-01-18T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-23602"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2023-01/#CVE-2023-23602"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2023-02/#CVE-2023-23602"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5816-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5824-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-23602"
}
],
"related": [
"USN-5816-1",
"USN-5824-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2023-23602"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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