191 lines
7.4 KiB
JSON
191 lines
7.4 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-2021-47793",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-01-14T14:39:44.738Z",
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"datePublished": "2026-01-15T23:25:43.035Z",
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"dateUpdated": "2026-03-05T01:28:35.818Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"shortName": "VulnCheck",
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"dateUpdated": "2026-03-05T01:28:35.818Z"
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},
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"datePublic": "2021-08-30T00:00:00.000Z",
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"title": "Telegram Desktop 2.9.2 - Denial of Service (PoC)",
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"descriptions": [
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{
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"lang": "en",
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"value": "Telegram Desktop 2.9.2 contains a denial of service vulnerability that allows attackers to crash the application by sending an oversized message payload. Attackers can generate a 9 million byte buffer and paste it into the messaging interface to trigger an application crash."
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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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"description": "Allocation of Resources Without Limits or Throttling",
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"cweId": "CWE-770",
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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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"affected": [
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{
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"vendor": "Telegram",
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"product": "Telegram Desktop",
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"versions": [
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{
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"version": "2.9.2",
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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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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:telegram:telegram_desktop:2.9.2:*:*:*:*:*:*:*"
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}
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]
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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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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"attackVector": "LOCAL",
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"baseScore": 4.6,
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"baseSeverity": "MEDIUM",
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"exploitMaturity": "NOT_DEFINED",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "ACTIVE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "LOW",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS"
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},
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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": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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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:H",
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"version": "3.1"
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},
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"format": "CVSS"
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}
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],
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"references": [
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{
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"url": "https://www.exploit-db.com/exploits/50247",
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"name": "ExploitDB-50247",
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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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"url": "https://telegram.org",
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"name": "Official Telegram Homepage",
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"tags": [
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"product"
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]
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},
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{
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"name": "VulnCheck Advisory: Telegram Desktop 2.9.2 - Denial of Service (PoC)",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/telegram-desktop-denial-of-service-poc"
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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": "Aryan Chehreghani",
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"type": "finder"
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}
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],
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"x_generator": {
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"engine": "vulncheck"
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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://www.exploit-db.com/exploits/50247",
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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": "2026-01-16T15:52:42.622769Z",
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"id": "CVE-2021-47793",
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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": "no"
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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": "2026-01-16T21:11:53.505Z"
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}
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}
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]
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}
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} |