{"answers":{"affected":"3 open source packages ship an affected version, including kamadak-exif. It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-21235 in the wild and no public exploit code.","fix":"Upgrade kamadak-exif to 0.5.3 or later.","what":"CVE-2021-21235 is a medium-severity denial of service vulnerability in kamadak exif-rs, published on 6 Jan 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2021-21235 and fix it if it is affected.\n\nWhat it is: CVE-2021-21235 is a medium-severity denial of service vulnerability in kamadak exif-rs, published on 6 Jan 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2021-21235 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- kamadak-exif (crates.io): affected from 0.5.2; fixed in 0.5.3\n- kamadak-exif (crates.io): affected from 0.5.2; fixed in 0.5.3\n- kamadak-exif (crates.io): affected from 0.5.2; fixed in 0.5.3\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-2021-21235/ (Markdown: https://insights.sbomify.com/CVE-2021-21235/index.md)","id":"CVE-2021-21235","markdown":"https://insights.sbomify.com/CVE-2021-21235/index.md","name":"CVE-2021-21235","record":{"aliases":["GHSA-px9g-8hgv-jvg2","RUSTSEC-2021-0143","UBUNTU-CVE-2021-21235"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Rust EXIF parsing library","requires_auth":"low_privilege","summary":"An attacker can cause a denial of service via an infinite loop by providing a crafted PNG file to the kamadak-exif library.","user_interaction":"required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"kamadak-exif","vendor":"kamadak-exif_project"}],"cvss":{"score":5.7,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-835","name":"Loop with Unreachable Exit Condition"},{"id":"CWE-400","name":"Uncontrolled Resource Consumption"}],"description":"kamadak-exif is an exif parsing library written in pure Rust. In kamadak-exif version 0.5.2, there is an infinite loop in parsing crafted PNG files. Specifically, reader::read_from_container can cause an infinite loop when a crafted PNG file is given. This is fixed in version 0.5.3. No workaround is available. Applications that do not pass files with the PNG signature to Reader::read_from_container are not affected.","ecosystems":["crates.io"],"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":"Infinite loop in parsing PNG files in","id":"CVE-2021-21235","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"crates.io","product":null,"products":[],"type":"denial_of_service","year":"2021"},"n_packages":3,"n_references":3,"next":{"headline":"Regular Expression Denial of Service in CairoSVG","id":"CVE-2021-21236"},"packages":[{"ecosystem":"crates.io","fixed":["0.5.3"],"introduced":["0.5.2"],"last_affected":[],"package":"kamadak-exif","purl":null,"source":"GHSA-px9g-8hgv-jvg2"},{"ecosystem":"crates.io","fixed":["0.5.3"],"introduced":["0.5.2"],"last_affected":[],"package":"kamadak-exif","purl":"pkg:cargo/kamadak-exif","source":"GHSA-px9g-8hgv-jvg2"},{"ecosystem":"crates.io","fixed":["0.5.3"],"introduced":["0.5.2"],"last_affected":[],"package":"kamadak-exif","purl":"pkg:cargo/kamadak-exif","source":"RUSTSEC-2021-0143"}],"prev":{"headline":"Directory Traversal","id":"CVE-2021-21234"},"products":["exif-rs"],"published":"2021-01-06","related":[],"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":"open","licence":"CC0 1.0","name":"RustSec","prefix":"RUSTSEC"},{"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":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-03","vendors":["kamadak"]},"summary":"An attacker can cause a denial of service via an infinite loop by providing a crafted PNG file to the kamadak-exif library.","url":"https://insights.sbomify.com/CVE-2021-21235/"}