低危 gnome gdk-pixbuf 整数下溢（超界折返）
CVE编号
CVE-2021-20240利用情况
暂无补丁情况
官方补丁披露时间
2021-05-28漏洞描述
A flaw was found in gdk-pixbuf in versions before 2.42.0. An integer wraparound leading to an out of bounds write can occur when a crafted GIF image is loaded. An attacker may cause applications to crash or could potentially execute code on the victim system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.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 | gnome | gdk-pixbuf | * | Up to (excluding) 2.42.0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | gdk-pixbuf | * | Up to (excluding) 2.40.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | gdk-pixbuf | * | Up to (excluding) 2.40.0-r3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | gdk-pixbuf | * | Up to (excluding) 2.38.1+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | gdk-pixbuf | * | Up to (excluding) 2.42.2+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | gdk-pixbuf | * | Up to (excluding) 2.42.2+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | gdk-pixbuf | * | Up to (excluding) 2.42.2+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | mingw64-gdk-pixbuf | * | Up to (excluding) 2.42.2-2.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | mingw64-gdk-pixbuf | * | Up to (excluding) 2.42.2-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | gdk-pixbuf | * | Up to (excluding) 2.40.0+dfsg-3ubuntu0.2 | |||||
- 攻击路径 本地
- 攻击复杂度 容易
- 权限要求 普通权限
- 影响范围 有限影响
- 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 传输被破坏
- 服务器危害 无影响
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-191 | 整数下溢（超界折返） |
| CWE-787 | 跨界内存写 |
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