{"answers":{"affected":"2 open source packages ship an affected version, including tecnickcom/tcpdf. It affects 1 product.","exploited":"There is no known exploitation of CVE-2024-56521 in the wild and no public exploit code.","fix":"Upgrade tecnickcom/tcpdf to 6.8.0 or later.","what":"CVE-2024-56521 is a critical vulnerability in tecnick tcpdf, published on 27 Dec 2024. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2024-56521 and fix it if it is affected.\n\nWhat it is: CVE-2024-56521 is a critical vulnerability in tecnick tcpdf, published on 27 Dec 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2024-56521 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- tecnickcom/tcpdf (Packagist): affected all versions; fixed in 6.8.0\n- tecnickcom/tcpdf (Packagist): affected all versions; fixed in 6.8.0\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2024-56521/ (Markdown: https://insights.sbomify.com/CVE-2024-56521/index.md)","id":"CVE-2024-56521","markdown":"https://insights.sbomify.com/CVE-2024-56521/index.md","name":"CVE-2024-56521","record":{"aliases":["DEBIAN-CVE-2024-56521","GHSA-9mgx-552f-59p6","UBUNTU-CVE-2024-56521"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["security_bypass"],"network_reachable":"yes","non_default_config":true,"product_category":"PHP PDF library","requires_auth":"none","summary":"TCPDF disables SSL certificate verification when using libcurl, allowing attackers to bypass TLS security checks and potentially intercept or modify data.","user_interaction":"not_required","vuln_class":"weak_cryptography"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"tcpdf","vendor":"tcpdf_project"}],"cvss":{"score":9.8,"severity":"critical","source":"cisa-adp","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-295","name":"Improper Certificate Validation"}],"description":"An issue was discovered in TCPDF before 6.8.0. If libcurl is used, CURLOPT_SSL_VERIFYHOST and CURLOPT_SSL_VERIFYPEER are set unsafely.","ecosystems":["Packagist"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"TCPDF missing certificate validation","id":"CVE-2024-56521","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Packagist","product":null,"products":[],"type":"weak_cryptography","year":"2024"},"n_packages":2,"n_references":3,"next":{"headline":"TCPDF has incorrect comparison","id":"CVE-2024-56522"},"packages":[{"ecosystem":"Packagist","fixed":["6.8.0"],"introduced":["0"],"last_affected":[],"package":"tecnickcom/tcpdf","purl":null,"source":"GHSA-9mgx-552f-59p6"},{"ecosystem":"Packagist","fixed":["6.8.0"],"introduced":["0"],"last_affected":[],"package":"tecnickcom/tcpdf","purl":"pkg:composer/tecnickcom/tcpdf","source":"GHSA-9mgx-552f-59p6"}],"prev":{"headline":"tecnickcom/tc-lib-pdf-font mishandles fonts","id":"CVE-2024-56520"},"products":["tcpdf"],"published":"2024-12-27","related":[{"cvss_score":7.5,"headline":"TCPDF lacks SVG sanitization","id":"CVE-2024-56519","kev_date_added":null,"published":"2024-12-27"},{"cvss_score":7.5,"headline":"TCPDF has incorrect comparison","id":"CVE-2024-56522","kev_date_added":null,"published":"2024-12-27"},{"cvss_score":7.5,"headline":"TCPDF missing character escape on error messages","id":"CVE-2024-56527","kev_date_added":null,"published":"2024-12-27"},{"cvss_score":7.5,"headline":"Denial of service in n/a","id":"CVE-2024-22641","kev_date_added":null,"published":"2024-05-28"},{"cvss_score":7.5,"headline":"Server-side request forgery in n/a","id":"CVE-2017-6100","kev_date_added":null,"published":"2017-02-23"},{"cvss_score":6.2,"headline":"TCPDF Local File Inclusion vulnerability","id":"CVE-2024-51058","kev_date_added":null,"published":"2024-11-26"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2025-03-24","vendors":["tecnick"]},"summary":"TCPDF disables SSL certificate verification when using libcurl, allowing attackers to bypass TLS security checks and potentially intercept or modify data.","url":"https://insights.sbomify.com/CVE-2024-56521/"}