Kurz gesagt
- CVE-2024-46983 ist eine Schwachstelle (KRITISCH (CVSS 9.8)) in com.alipay.sofa:hessian, sofa-hessian (antfin).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.68%, höher als bei 52.5% aller Schwachstellen.
- Abhilfe: auf 3.5.5 oder neuer aktualisieren.
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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