148 lines
6.4 KiB
JSON
148 lines
6.4 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1",
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"cveMetadata": {
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"cveId": "CVE-2025-54879",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2025-07-31T17:23:33.475Z",
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"datePublished": "2025-08-05T23:39:59.130Z",
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"dateUpdated": "2025-08-06T20:32:56.740Z"
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},
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"containers": {
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"cna": {
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"title": "Mastodon e‑mail throttle misconfiguration allows unlimited email confirmations against unconfirmed emails",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-770",
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"lang": "en",
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"description": "CWE-770: Allocation of Resources Without Limits or Throttling",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "LOW",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/mastodon/mastodon/security/advisories/GHSA-84ch-6436-c7mg",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/mastodon/mastodon/security/advisories/GHSA-84ch-6436-c7mg"
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},
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{
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"name": "https://github.com/mastodon/mastodon/commit/e2592419d93fb41be03c2f3ff6a122fecb0e0952",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/mastodon/mastodon/commit/e2592419d93fb41be03c2f3ff6a122fecb0e0952"
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},
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{
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"name": "https://github.com/mastodon/mastodon/releases/tag/v4.4.3",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/mastodon/mastodon/releases/tag/v4.4.3"
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}
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],
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"affected": [
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{
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"vendor": "mastodon",
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"product": "mastodon",
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"versions": [
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{
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"version": ">= 3.1.5, < 4.2.24",
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"status": "affected"
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},
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{
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"version": ">= 4.3.0, < 4.3.11",
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"status": "affected"
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},
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{
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"version": ">= 4.4.0, < 4.4.3",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2025-08-05T23:39:59.130Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Mastodon is a free, open-source social network server based on ActivityPub Mastodon which facilitates LDAP configuration for authentication. In versions 3.1.5 through 4.2.24, 4.3.0 through 4.3.11 and 4.4.0 through 4.4.3, Mastodon's rate-limiting system has a critical configuration error where the email-based throttle for confirmation emails incorrectly checks the password reset path instead of the confirmation path, effectively disabling per-email limits for confirmation requests. This allows attackers to bypass rate limits by rotating IP addresses and send unlimited confirmation emails to any email address, as only a weak IP-based throttle (25 requests per 5 minutes) remains active. The vulnerability enables denial-of-service attacks that can overwhelm mail queues and facilitate user harassment through confirmation email spam. This is fixed in versions 4.2.24, 4.3.11 and 4.4.3."
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}
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],
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"source": {
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"advisory": "GHSA-84ch-6436-c7mg",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/mastodon/mastodon/security/advisories/GHSA-84ch-6436-c7mg",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2025-08-06T20:32:42.219873Z",
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"id": "CVE-2025-54879",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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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": "2025-08-06T20:32:56.740Z"
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}
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}
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]
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}
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} |