漏洞信息
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Vulnerability Title
Fluentd: Denial of Service (DoS) via Gzip Decompression Bomb in `in_http` and `in_forward`
Vulnerability Description
Fluentd collects events from various data sources and writes them to files, RDBMS, NoSQL, IaaS, SaaS, Hadoop and so on. Prior to 1.19.3, Fluentd's in_http and in_forward plugins support gzip-compressed data but enforce limits only on compressed payloads through settings such as body_size_limit and chunk_size_limit, allowing crafted compressed payloads to decompress in memory to an excessive size and cause denial of service through memory exhaustion. This issue is fixed in version 1.19.3.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
对高度压缩数据的处理不恰当(数据放大攻击)
Vulnerability Title
Fluentd 资源管理错误漏洞
Vulnerability Description
Fluentd是Fluentd团队开源的一个开源日志收集器。从各种数据源收集事件,并将其写入文件、RDBMS、NoSQL、IaaS、SaaS、Hadoop等。 Fluentd 1.19.3之前版本存在资源管理错误漏洞,该漏洞源于in_http和in_forward插件对Gzip压缩数据处理时仅针对压缩有效载荷设置限制,允许特制压缩有效载荷在内存中解压到过大尺寸,导致内存耗尽引发拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A