中危 未检查返回值导致空指针解引用
CVE编号
CVE-2020-36646利用情况
暂无补丁情况
官方补丁披露时间
2023-01-08漏洞描述
A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The name of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | mediaarea | zenlib | * | From (including) 0.4.0 | Up to (excluding) 0.4.39 | ||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | libzen | * | Up to (excluding) 0.4.37-1+deb10u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | libzen | * | Up to (excluding) 0.4.38-1+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | libzen | * | Up to (excluding) 0.4.39-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | libzen | * | Up to (excluding) 0.4.39-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | libzen | * | Up to (excluding) 0.4.37-1ubuntu0.18.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | libzen | * | Up to (excluding) 0.4.37-1ubuntu0.20.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_d | libzen | * | Up to (excluding) 0.4.37.1-deepin1 | |||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 普通权限
- 影响范围 越权影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-476 | 空指针解引用 |
| CWE-690 | 未检查返回值导致空指针解引用 |
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