UBUNTU-CVE-2023-34414 (CVE-2023-34414)
Vulnerability from osv_ubuntu – Published: 2023-06-07 00:00 – Updated: 2026-04-22 07:45 – Source websiteThe error page for sites with invalid TLS certificates was missing the activation-delay Firefox uses to protect prompts and permission dialogs from attacks that exploit human response time delays. If a malicious page elicited user clicks in precise locations immediately before navigating to a site with a certificate error and made the renderer extremely busy at the same time, it could create a gap between when the error page was loaded and when the display actually refreshed. With the right timing the elicited clicks could land in that gap and activate the button that overrides the certificate error for that site. This vulnerability affects Firefox ESR < 102.12, Firefox < 114, and Thunderbird < 102.12.
{
"affected": [
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "114.0+build3-0ubuntu0.20.04.1"
},
{
"binary_name": "firefox-geckodriver",
"binary_version": "114.0+build3-0ubuntu0.20.04.1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "114.0+build3-0ubuntu0.20.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "firefox",
"purl": "pkg:deb/ubuntu/firefox@114.0+build3-0ubuntu0.20.04.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "114.0+build3-0ubuntu0.20.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
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"70.0+build2-0ubuntu1",
"70.0+build2-0ubuntu2",
"70.0.1+build1-0ubuntu2",
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"71.0+build5-0ubuntu1",
"72.0.1+build1-0ubuntu1",
"72.0.2+build1-0ubuntu1",
"73.0+build1-0ubuntu1",
"73.0+build2-0ubuntu1",
"73.0+build3-0ubuntu1",
"73.0.1+build1-0ubuntu1",
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"78.0.2+build2-0ubuntu0.20.04.1",
"79.0+build1-0ubuntu0.20.04.1",
"80.0+build2-0ubuntu0.20.04.1",
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"81.0+build2-0ubuntu0.20.04.1",
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"102.0+build2-0ubuntu0.20.04.1",
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"104.0+build3-0ubuntu0.20.04.1",
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"109.0+build2-0ubuntu0.20.04.1",
"109.0.1+build1-0ubuntu0.20.04.2",
"110.0+build3-0ubuntu0.20.04.1",
"110.0.1+build2-0ubuntu0.20.04.1",
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"112.0+build2-0ubuntu0.20.04.1",
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"112.0.2+build1-0ubuntu0.20.04.1",
"113.0+build2-0ubuntu0.20.04.1",
"113.0.1+build1-0ubuntu0.20.04.1",
"113.0.2+build1-0ubuntu0.20.04.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "thunderbird",
"binary_version": "1:102.13.0+build1-0ubuntu0.20.04.1"
},
{
"binary_name": "thunderbird-gnome-support",
"binary_version": "1:102.13.0+build1-0ubuntu0.20.04.1"
},
{
"binary_name": "thunderbird-mozsymbols",
"binary_version": "1:102.13.0+build1-0ubuntu0.20.04.1"
},
{
"binary_name": "xul-ext-calendar-timezones",
"binary_version": "1:102.13.0+build1-0ubuntu0.20.04.1"
},
{
"binary_name": "xul-ext-gdata-provider",
"binary_version": "1:102.13.0+build1-0ubuntu0.20.04.1"
},
{
"binary_name": "xul-ext-lightning",
"binary_version": "1:102.13.0+build1-0ubuntu0.20.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "thunderbird",
"purl": "pkg:deb/ubuntu/thunderbird@1:102.13.0+build1-0ubuntu0.20.04.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:102.13.0+build1-0ubuntu0.20.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:68.1.2+build1-0ubuntu1",
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},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "thunderbird",
"binary_version": "1:102.13.0+build1-0ubuntu0.22.04.1"
},
{
"binary_name": "thunderbird-gnome-support",
"binary_version": "1:102.13.0+build1-0ubuntu0.22.04.1"
},
{
"binary_name": "thunderbird-mozsymbols",
"binary_version": "1:102.13.0+build1-0ubuntu0.22.04.1"
},
{
"binary_name": "xul-ext-calendar-timezones",
"binary_version": "1:102.13.0+build1-0ubuntu0.22.04.1"
},
{
"binary_name": "xul-ext-gdata-provider",
"binary_version": "1:102.13.0+build1-0ubuntu0.22.04.1"
},
{
"binary_name": "xul-ext-lightning",
"binary_version": "1:102.13.0+build1-0ubuntu0.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "thunderbird",
"purl": "pkg:deb/ubuntu/thunderbird@1:102.13.0+build1-0ubuntu0.22.04.1?arch=source\u0026distro=jammy"
},
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"events": [
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"1:102.8.0+build2-0ubuntu0.22.04.1",
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"1:102.10.0+build2-0ubuntu0.22.04.1",
"1:102.11.0+build1-0ubuntu0.22.04.1"
]
}
],
"aliases": [],
"details": "The error page for sites with invalid TLS certificates was missing the activation-delay Firefox uses to protect prompts and permission dialogs from attacks that exploit human response time delays. If a malicious page elicited user clicks in precise locations immediately before navigating to a site with a certificate error and made the renderer extremely busy at the same time, it could create a gap between when the error page was loaded and when the display actually refreshed. With the right timing the elicited clicks could land in that gap and activate the button that overrides the certificate error for that site. This vulnerability affects Firefox ESR \u003c 102.12, Firefox \u003c 114, and Thunderbird \u003c 102.12.",
"id": "UBUNTU-CVE-2023-34414",
"modified": "2026-04-22T07:45:22Z",
"published": "2023-06-07T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-34414"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2023-19/#CVE-2023-34414"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2023-20/#CVE-2023-34414"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6143-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6214-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-34414"
}
],
"related": [
"USN-6143-1",
"USN-6214-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2023-34414"
]
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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- Confirmed: The vulnerability has been validated from an analyst's perspective.
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- 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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