Date: Wed, 26 Jan 2022 14:21:09 +0800 From: Zhang Yonglun <zhangyonglun@...che.org> To: oss-security@...ts.openwall.com, dev@...nyu.apache.org Subject: CVE-2021-45029: Apache ShenYu (incubating) Groovy Code Injection and SpEL Injection Severity: moderate Description: Groovy Code Injection & SpEL Injection which lead to Remote Code Execution. Apache ShenYu (incubating) provides some plugins, and we can define our own Selectors And Rules in which we can set some condition match including "match = regEx like contain SpEL Groovy". There are no filters to avoid Remote Code Execution before parseExpression and Eval.me. This issue affects Apache ShenYu (incubating) 2.4.0 and 2.4.1. Mitigation: Upgrade to Apache ShenYu (incubating) 2.4.2 or apply patch https://github.com/apache/incubator-shenyu/pull/2576. -- Zhang Yonglun Apache ShenYu (Incubating) Apache ShardingSphere
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