{"vulnerability": "CVE-2021-2183", "sightings": [{"uuid": "c0d50b3d-5a88-465e-bf00-045f486746a1", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-21835", "type": "seen", "source": "https://t.me/cibsecurity/27877", "content": "\u203c CVE-2021-21835 \u203c\n\nAn exploitable integer overflow vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input when decoding the atom associated with the \u00e2\u20ac\u0153csgp\u00e2\u20ac\ufffd FOURCC can cause an integer overflow due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-08-25T22:25:54.000000Z"}, {"uuid": "1263e85d-01a2-43c7-b4f0-dc4677e6b71f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-21838", "type": "seen", "source": "https://t.me/cibsecurity/27508", "content": "\u203c CVE-2021-21838 \u203c\n\nMultiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause an integer overflow due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-08-18T16:16:57.000000Z"}, {"uuid": "9eb8a54b-5d6b-4310-893f-63637378045c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-21839", "type": "seen", "source": "https://t.me/cibsecurity/27503", "content": "\u203c CVE-2021-21839 \u203c\n\nMultiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause an integer overflow due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-08-18T16:16:49.000000Z"}, {"uuid": "1c49dc06-ea4f-4942-a144-f54216577004", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-21837", "type": "seen", "source": "https://t.me/cibsecurity/27501", "content": "\u203c CVE-2021-21837 \u203c\n\nMultiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause an integer overflow due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-08-18T16:16:47.000000Z"}, {"uuid": "6ba04570-d190-44ac-bee9-41f71dc3b7fc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-21830", "type": "seen", "source": "https://t.me/cibsecurity/27338", "content": "\u203c CVE-2021-21830 \u203c\n\nA heap-based buffer overflow vulnerability exists in the XML Decompression LabelDict::Load functionality of AT&T Labs\u00e2\u20ac\u2122 Xmill 0.7. A specially crafted XMI file can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-08-13T22:11:18.000000Z"}, {"uuid": "b0439ef8-53ef-4dc6-8046-f6d93933ca03", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-21839", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/4219", "content": "#exploit\nPoCs for exploiting CVE-2021-21847, \nCVE-2021-21853, CVE-2021-21845, \nCVE-2021-21846, CVE-2021-21844,\nCVE-2021-21839:\nhttps://github.com/AlAIAL90/CVE-2021-21847\nhttps://github.com/AlAIAL90/CVE-2021-21853\nhttps://github.com/AlAIAL90/CVE-2021-21845\nhttps://github.com/AlAIAL90/CVE-2021-21846\nhttps://github.com/AlAIAL90/CVE-2021-21844\nhttps://github.com/AlAIAL90/CVE-2021-21839\n// Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project", "creation_timestamp": "2024-03-29T14:38:26.000000Z"}, {"uuid": "5da52dc5-de43-4bac-aeee-539c18d55d29", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-21831", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/3935", "content": "#Threat_Research\n1. UaF vulnerabilities in Foxit PDF Reader (CVE-2021-21831, CVE-2021-21870, CVE-2021-21893)\nhttps://blog.talosintelligence.com/2021/07/vulnerability-spotlight-use-after-free.html\n2. Sunhillo SureLine Unauthenticated OS Command Injection (PoC for CVE-2021-36380)\nhttps://research.nccgroup.com/2021/07/26/technical-advisory-sunhillo-sureline-unauthenticated-os-command-injection-cve-2021-36380", "creation_timestamp": "2024-02-03T18:24:47.000000Z"}]}