CVE-2024-4435— Stable Structures 安全漏洞
一分钟漏洞结论
影响对象
Internet Computer ic-stable-structures
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Stable Structures是DFINITY开源的一个数据结构集合。 Stable Structures 0.6.0之前版本存在安全漏洞，该漏洞源于释放溢出节点时 BTreeMap 中存在内存问题，这可能会导致使用过多的内存，甚至耗尽内存。
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一、 漏洞 CVE-2024-4435 基础信息
漏洞信息
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Vulnerability Title
BTreeMap memory leak when deallocating nodes with overflows
来源: CVE Program / CVE List V5
Vulnerability Description
When storing unbounded types in a BTreeMap, a node is represented as a linked list of "memory chunks". It was discovered recently that when we deallocate a node, in some cases only the first memory chunk is deallocated, and the rest of the memory chunks remain (incorrectly) allocated, causing a memory leak. In the worst case, depending on how a canister uses the BTreeMap, an adversary could interact with the canister through its API and trigger interactions with the map that keep consuming memory due to the memory leak. This could potentially lead to using an excessive amount of memory, or even running out of memory.
This issue has been fixed in #212 https://github.com/dfinity/stable-structures/pull/212 by changing the logic for deallocating nodes to ensure that all of a node's memory chunks are deallocated and users are asked to upgrade to version 0.6.4.. Tests have been added to prevent regressions of this nature moving forward. Note: Users of stable-structure < 0.6.0 are not affected.
Users who are not storing unbounded types in BTreeMap are not affected and do not need to upgrade. Otherwise, an upgrade to version 0.6.4 is necessary.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
来源: CVE Program / CVE List V5
Vulnerability Title
Stable Structures 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Stable Structures是DFINITY开源的一个数据结构集合。 Stable Structures 0.6.0之前版本存在安全漏洞，该漏洞源于释放溢出节点时 BTreeMap 中存在内存问题，这可能会导致使用过多的内存，甚至耗尽内存。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Internet Computer | ic-stable-structures | 0.6.0 ~ 0.6.4 | - |
|
二、漏洞 CVE-2024-4435 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2024-4435 补丁与修复 (1)
CVE-2024-4435 其他参考 (2)
IV. Related Vulnerabilities
V. Comments for CVE-2024-4435
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