CVE-2021-31320

{"id": "CVE-2021-31320", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "published": "2021-05-18T20:15:07.753", "references": [{"url": "https://www.shielder.it/advisories/telegram-rlottie-vgradientcache-generategradientcolortable-heap-buffer-overflow/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.shielder.it/advisories/telegram-rlottie-vgradientcache-generategradientcolortable-heap-buffer-overflow/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Heap Buffer Overflow in the VGradientCache::generateGradientColorTable function of their custom fork of the rlottie library. A remote attacker might be able to overwrite heap memory out-of-bounds on a victim device via a malicious animated sticker."}, {"lang": "es", "value": "Telegram Android versiones anteriores a 7.1,.0 (2090), Telegram iOS versiones anteriores a 7.1, y Telegram macOS versiones anteriores a 7.1, est\u00e1n afectados por una vulnerabilidad de Desbordamiento del B\u00fafer en la regi\u00f3n Heap de la memoria en la funci\u00f3n VGradientCache::generateGradientColorTable de su derivaci\u00f3n personalizada de la biblioteca rlottie.&#xa0;Un atacante remoto podr\u00eda sobrescribir la memoria de la pila fuera de l\u00edmites en un dispositivo v\u00edctima por medio de una etiqueta animada maliciosa"}], "lastModified": "2024-11-21T06:05:25.420", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:telegram:telegram:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "A1029181-1937-4E7D-9DF7-227A60AED350", "versionEndExcluding": "7.1.0"}, {"criteria": "cpe:2.3:a:telegram:telegram:*:*:*:*:*:iphone_os:*:*", "vulnerable": true, "matchCriteriaId": "94020ED0-432B-4DF0-BE20-0A8054C9814D", "versionEndExcluding": "7.1.0"}, {"criteria": "cpe:2.3:a:telegram:telegram:*:*:*:*:*:macos:*:*", "vulnerable": true, "matchCriteriaId": "102C507F-8C62-41E8-BF29-280FE32091AB", "versionEndExcluding": "7.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}