요약
- CVE-2024-46983은(는) com.alipay.sofa:hessian, sofa-hessian (antfin)에 영향을 주는 심각 (CVSS 9.8) 취약점입니다.
- 향후 30일 내 악용 확률(EPSS): 0.68%, 전체 취약점의 52.5%보다 높음.
- 조치: 3.5.5 이상으로 업데이트하세요.
Description
Impact
SOFA Hessian protocol uses a blacklist mechanism to restrict deserialization of potentially dangerous classes for security protection. But there is a gadget chain that can bypass the SOFA Hessian blacklist protection mechanism, and this gadget chain only relies on JDK and does not rely on any third-party components.
Patches
Fixed this issue by update blacklist, users can upgrade to sofahessian version 3.5.5 to avoid this issue.
Workarounds
You can maintain a blacklist yourself in this directory external/serialize.blacklist.
NVD description
sofa-hessian is an internal improved version of Hessian3/4 powered by Ant Group CO., Ltd. The SOFA Hessian protocol uses a blacklist mechanism to restrict deserialization of potentially dangerous classes for security protection. But there is a gadget chain that can bypass the SOFA Hessian blacklist protection mechanism, and this gadget chain only relies on JDK and does not rely on any third-party components. This issue is fixed by an update to the blacklist, users can upgrade to sofahessian version 3.5.5 to avoid this issue. Users unable to upgrade may maintain a blacklist themselves in the directory `external/serialize.blacklist`.
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