142 lines
6.3 KiB
JSON
142 lines
6.3 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-2026-33993",
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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": "2026-03-24T22:20:06.212Z",
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"datePublished": "2026-03-27T22:14:03.495Z",
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"dateUpdated": "2026-03-30T15:45:18.660Z"
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},
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"containers": {
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"cna": {
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"title": "Locutus has Prototype Pollution via __proto__ Key Injection in unserialize()",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-1321",
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"lang": "en",
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"description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')",
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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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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 6.9,
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
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"version": "4.0"
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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/locutusjs/locutus/security/advisories/GHSA-4mph-v827-f877",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/locutusjs/locutus/security/advisories/GHSA-4mph-v827-f877"
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},
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{
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"name": "https://github.com/locutusjs/locutus/pull/597",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/locutusjs/locutus/pull/597"
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},
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{
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"name": "https://github.com/locutusjs/locutus/commit/345a6211e1e6f939f96a7090bfeff642c9fcf9e4",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/locutusjs/locutus/commit/345a6211e1e6f939f96a7090bfeff642c9fcf9e4"
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},
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{
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"name": "https://github.com/locutusjs/locutus/releases/tag/v3.0.25",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/locutusjs/locutus/releases/tag/v3.0.25"
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}
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],
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"affected": [
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{
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"vendor": "locutusjs",
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"product": "locutus",
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"versions": [
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{
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"version": "< 3.0.25",
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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": "2026-03-27T22:14:03.495Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Locutus brings stdlibs of other programming languages to JavaScript for educational purposes. Prior to version 3.0.25, the `unserialize()` function in `locutus/php/var/unserialize` assigns deserialized keys to plain objects via bracket notation without filtering the `__proto__` key. When a PHP serialized payload contains `__proto__` as an array or object key, JavaScript's `__proto__` setter is invoked, replacing the deserialized object's prototype with attacker-controlled content. This enables property injection, for...in propagation of injected properties, and denial of service via built-in method override. This is distinct from the previously reported prototype pollution in `parse_str` (GHSA-f98m-q3hr-p5wq, GHSA-rxrv-835q-v5mh) — `unserialize` is a different function with no mitigation applied. Version 3.0.25 patches the issue."
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}
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],
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"source": {
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"advisory": "GHSA-4mph-v827-f877",
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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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"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": "2026-03-30T15:45:05.433846Z",
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"id": "CVE-2026-33993",
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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": "2026-03-30T15:45:18.660Z"
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}
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}
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]
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}
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} |