Fluent Bit 缓冲区错误漏洞

Fluent Bit is an open source log processing and analysis system written in C. A buffer overflow vulnerability exists in Fluent Bit version 1.6.4, which stems from the fact that flbgzipcompress in flbgzip.c has an out-of-bounds write operation because it fails to use the correct calculation of the...

PT-2020-5656 · Fluent Bit · Fluent-Bit

Name of the Vulnerable Software and Affected Versions: Fluent Bit versions prior to 1.6.4 Description: The issue is related to the flb gzip compress function in Fluent Bit, which has an out-of-bounds write due to incorrect calculation of the maximum gzip data-size expansion. This could allow a...

fluent-bit:flb-it-fuzz-utils_fuzzer_OSSFUZZ: Heap-buffer-overflow in flb_utils_time_to_seconds

Project: https://github.com/fluent/fluent-bit.git Detailed Report: https://oss-fuzz.com/testcase?key=5087208312406016 Project: fluent-bit Fuzzing Engine: libFuzzer Fuzz Target: flb-it-fuzz-utilsfuzzerOSSFUZZ Job Type: libfuzzerasanfluent-bit Platform Id: linux Crash Type: Heap-buffer-overflow REA...

fluent-bit:flb-it-fuzz-parser_fuzzer_OSSFUZZ: Heap-buffer-overflow in _conv_num

Project: https://github.com/fluent/fluent-bit.git Detailed Report: https://oss-fuzz.com/testcase?key=5976803149348864 Project: fluent-bit Fuzzing Engine: libFuzzer Fuzz Target: flb-it-fuzz-parserfuzzerOSSFUZZ Job Type: libfuzzerasanfluent-bit Platform Id: linux Crash Type: Heap-buffer-overflow RE...

fluent-bit:flb-it-fuzz-parser_fuzzer_OSSFUZZ: Heap-buffer-overflow in flb_log_print

Project: https://github.com/fluent/fluent-bit.git Detailed Report: https://oss-fuzz.com/testcase?key=5758082711552000 Project: fluent-bit Fuzzing Engine: libFuzzer Fuzz Target: flb-it-fuzz-parserfuzzerOSSFUZZ Job Type: libfuzzerasanfluent-bit Platform Id: linux Crash Type: Heap-buffer-overflow RE...

fluent-bit:flb-it-fuzz-msgpack_parse_fuzzer_OSSFUZZ: Heap-buffer-overflow in encoded_to_buf

Project: https://github.com/fluent/fluent-bit.git Detailed Report: https://oss-fuzz.com/testcase?key=5714223612821504 Project: fluent-bit Fuzzing Engine: libFuzzer Fuzz Target: flb-it-fuzz-msgpackparsefuzzerOSSFUZZ Job Type: libfuzzerasanfluent-bit Platform Id: linux Crash Type:...

fluent-bit:flb-it-fuzz-msgpack_parse_fuzzer_OSSFUZZ: Heap-buffer-overflow in flb_msgpack_to_json

Project: https://github.com/fluent/fluent-bit.git Detailed Report: https://oss-fuzz.com/testcase?key=4813183069716480 Project: fluent-bit Fuzzing Engine: libFuzzer Fuzz Target: flb-it-fuzz-msgpackparsefuzzerOSSFUZZ Job Type: libfuzzerasanfluent-bit Platform Id: linux Crash Type:...

fluent-bit:flb-it-fuzz-msgpack_to_gelf_fuzzer_OSSFUZZ: Crash in flb_sds_cat

Project: https://github.com/fluent/fluent-bit.git Detailed Report: https://oss-fuzz.com/testcase?key=5676844333137920 Project: fluent-bit Fuzzing Engine: libFuzzer Fuzz Target: flb-it-fuzz-msgpacktogelffuzzerOSSFUZZ Job Type: libfuzzerubsanfluent-bit Platform Id: linux Crash Type: UNKNOWN READ...

fluent-bit:flb-it-fuzz-msgpack_parse_fuzzer_OSSFUZZ: Heap-buffer-overflow in encoded_to_buf

Project: https://github.com/fluent/fluent-bit.git Detailed Report: https://oss-fuzz.com/testcase?key=5654071359569920 Project: fluent-bit Fuzzing Engine: libFuzzer Fuzz Target: flb-it-fuzz-msgpackparsefuzzerOSSFUZZ Job Type: libfuzzerasanfluent-bit Platform Id: linux Crash Type:...

fluent-bit:flb-it-fuzz-msgpack_to_gelf_fuzzer_OSSFUZZ: Heap-buffer-overflow in flb_msgpack_to_gelf

Project: https://github.com/fluent/fluent-bit.git Detailed Report: https://oss-fuzz.com/testcase?key=4785819234336768 Project: fluent-bit Fuzzing Engine: libFuzzer Fuzz Target: flb-it-fuzz-msgpacktogelffuzzerOSSFUZZ Job Type: libfuzzerasanfluent-bit Platform Id: linux Crash Type:...

fluent-bit:parse_logfmt_fuzzer: Heap-buffer-overflow in u8_read_escape_sequence

Project: https://github.com/fluent/fluent-bit.git Detailed Report: https://oss-fuzz.com/testcase?key=5673480902410240 Project: fluent-bit Fuzzing Engine: libFuzzer Fuzz Target: parselogfmtfuzzer Job Type: libfuzzerasanfluent-bit Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash...

fluent-bit:parse_logfmt_fuzzer: Heap-buffer-overflow in flb_unescape_string_utf8

Project: https://github.com/fluent/fluent-bit.git Detailed Report: https://oss-fuzz.com/testcase?key=5716486477053952 Project: fluent-bit Fuzzing Engine: libFuzzer Fuzz Target: parselogfmtfuzzer Job Type: libfuzzerasanfluent-bit Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash...

fluent-bit:parse_logfmt_fuzzer: Heap-buffer-overflow in logfmt_parser

Project: https://github.com/fluent/fluent-bit.git Detailed Report: https://oss-fuzz.com/testcase?key=5659446845112320 Project: fluent-bit Fuzzing Engine: libFuzzer Fuzz Target: parselogfmtfuzzer Job Type: libfuzzerasanfluent-bit Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash...

Making Container Deployment and Analysis Self-Service for Development

Team Riptide was tasked with creating an environment for our developers that removes operational burdens. We wanted to provide them with infrastructure, best practices, automation, and self-service tooling so that they could focus on innovation. The result is an internal system we call “Mosaic,”...

Design/Logic Flaw

An issue was discovered in the MQTT input plugin in Fluent Bit through 1.0.4. When this plugin acts as an MQTT broker server, it mishandles incoming network messages. After processing a crafted packet, the plugin's mqttpacketdrop function in /plugins/inmqtt/mqttprot.c executes the memmove functio...

CVE-2019-9749

An issue was discovered in the MQTT input plugin in Fluent Bit through 1.0.4. When this plugin acts as an MQTT broker server, it mishandles incoming network messages. After processing a crafted packet, the plugin's mqttpacketdrop function in /plugins/inmqtt/mqttprot.c executes the memmove functio...

CVE-2019-9749

An issue was discovered in the MQTT input plugin in Fluent Bit through 1.0.4. When this plugin acts as an MQTT broker server, it mishandles incoming network messages. After processing a crafted packet, the plugin's mqttpacketdrop function in /plugins/inmqtt/mqttprot.c executes the memmove functio...

CVE-2019-9749

The CVE-2019-9749 entry pertains to Fluent Bit’s MQTT input plugin (up to version 1.0.4) when acting as an MQTT broker. The root cause is in mqtt_packet_drop (plugins/in_mqtt/mqtt_prot.c): after processing a crafted packet, memmove() is invoked with a negative size, causing a crash of the Fluent ...

CVE-2019-9749

An issue was discovered in the MQTT input plugin in Fluent Bit through 1.0.4. When this plugin acts as an MQTT broker server, it mishandles incoming network messages. After processing a crafted packet, the plugin's mqttpacketdrop function in /plugins/inmqtt/mqttprot.c executes the memmove functio...