148 lines
6.7 KiB
JSON
148 lines
6.7 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-3909",
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"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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"state": "PUBLISHED",
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"assignerShortName": "mozilla",
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"dateReserved": "2025-04-23T17:44:42.650Z",
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"datePublished": "2025-05-14T16:56:43.630Z",
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"dateUpdated": "2026-04-13T14:27:53.020Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"product": "Thunderbird",
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"vendor": "Mozilla",
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"versions": [
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{
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"status": "unaffected",
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"version": "128.10.1",
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"lessThanOrEqual": "128.*",
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"versionType": "rpm"
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},
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{
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"status": "unaffected",
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"version": "138.0.1",
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"lessThanOrEqual": "*",
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"versionType": "rpm"
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}
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment (message/rfc822) and setting its content type to application/pdf, Thunderbird may incorrectly render it as HTML when opened, allowing the embedded JavaScript to run without requiring a file download. This behavior relies on Thunderbird auto-saving the attachment to /tmp and linking to it via the file:/// protocol, potentially enabling JavaScript execution as part of the HTML. This vulnerability was fixed in Thunderbird 128.10.1 and Thunderbird 138.0.1.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment (message/rfc822) and setting its content type to application/pdf, Thunderbird may incorrectly render it as HTML when opened, allowing the embedded JavaScript to run without requiring a file download. This behavior relies on Thunderbird auto-saving the attachment to /tmp and linking to it via the file:/// protocol, potentially enabling JavaScript execution as part of the HTML. This vulnerability was fixed in Thunderbird 128.10.1 and Thunderbird 138.0.1."
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}
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]
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}
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],
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"title": "JavaScript Execution via Spoofed PDF Attachment and file:/// Link",
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"references": [
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{
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1958376"
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},
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{
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"url": "https://www.mozilla.org/security/advisories/mfsa2025-34/"
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},
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{
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"url": "https://www.mozilla.org/security/advisories/mfsa2025-35/"
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Dario Weißer"
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}
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],
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"providerMetadata": {
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"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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"shortName": "mozilla",
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"dateUpdated": "2026-04-13T14:27:53.020Z"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 8.1,
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"attackVector": "NETWORK",
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
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"integrityImpact": "HIGH",
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"userInteraction": "REQUIRED",
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"attackComplexity": "LOW",
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"availabilityImpact": "NONE",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "HIGH"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2025-3909",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2025-05-16T03:55:44.016748Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-356",
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"description": "CWE-356 Product UI does not Warn User of Unsafe Actions"
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}
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]
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-02-26T18:28:09.659Z"
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}
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},
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00022.html"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2025-11-03T19:58:39.208Z"
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}
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}
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]
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}
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} |