{"answers":{"affected":"It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3845 exists.","fix":"No fix has been published for CVE-2025-3845 yet. Limit exposure of the affected software until one is available.","what":"CVE-2025-3845 is a medium-severity memory corruption vulnerability in markparticle WebServer, published on 21 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2025-3845 and fix it if it is affected.\n\nWhat it is: CVE-2025-3845 is a medium-severity memory corruption vulnerability in markparticle WebServer, published on 21 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3845 exists.\n\nAffected product: markparticle WebServer. No package-level version data is available, so check the vendor advisory linked from the reference page.\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-2025-3845/ (Markdown: https://insights.sbomify.com/CVE-2025-3845/index.md)","id":"CVE-2025-3845","markdown":"https://insights.sbomify.com/CVE-2025-3845/index.md","name":"CVE-2025-3845","record":{"aliases":["GHSA-8q95-7vjm-3mfq"],"analysis":{"component_type":"server_software","fix_type":"no_fix_stated","impacts":["code_execution","denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"WebServer","requires_auth":"none","summary":"Remote attackers can trigger a buffer overflow in markparticle WebServer via the HasWritten function, potentially leading to code execution or service disruption.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulDB","cpe":[{"product":"webserver","vendor":"markparticle"}],"cvss":{"score":6.9,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-120","name":"Buffer Copy without Checking Size of Input"},{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"}],"description":"A vulnerability was found in markparticle WebServer up to 1.0. It has been declared as critical. Affected by this vulnerability is the function Buffer::HasWritten of the file code/buffer/buffer.cpp. The manipulation of the argument writePos_ leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":null,"headline":"markparticle WebServer buffer.cpp HasWritten buffer overflow","id":"CVE-2025-3845","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"memory_corruption","year":"2025"},"n_packages":0,"n_references":4,"next":{"headline":"markparticle WebServer Registration httprequest.cpp sql injection","id":"CVE-2025-3846"},"packages":[],"prev":{"headline":"PeproDev Ultimate Profile Solutions 1.9.1 - 7.5.2 - Authentication Bypass to Account Takeover","id":"CVE-2025-3844"},"products":["WebServer"],"published":"2025-04-21","related":[{"cvss_score":6.9,"headline":"markparticle WebServer Registration httprequest.cpp sql injection","id":"CVE-2025-3846","kev_date_added":null,"published":"2025-04-21"},{"cvss_score":6.9,"headline":"markparticle WebServer Login httprequest.cpp sql injection","id":"CVE-2025-3847","kev_date_added":null,"published":"2025-04-21"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"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":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2025-04-22","vendors":["markparticle"]},"summary":"Remote attackers can trigger a buffer overflow in markparticle WebServer via the HasWritten function, potentially leading to code execution or service disruption.","url":"https://insights.sbomify.com/CVE-2025-3845/"}