低危 通过带有嵌套模式的精心制作的SVG文件进行资源耗尽
CVE编号
CVE-2019-20446利用情况
暂无补丁情况
官方补丁披露时间
2020-02-03漏洞描述
在2.46.2之前的GNOME librsvg中的xml.rs中，带有嵌套模式的精心制作的SVG文件在传递给库进行处理时会导致拒绝服务。攻击者构造模式元素，以使最终渲染的对象数量呈指数增长。解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://gitlab.gnome.org/GNOME/librsvg/issues/515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 | librsvg | * | Up to (excluding) 2.40.21 | |||||
| 运行在以下环境 | |||||||||
| 应用 | gnome | librsvg | * | From (including) 2.42.0 | Up to (excluding) 2.42.8 | ||||
| 运行在以下环境 | |||||||||
| 应用 | gnome | librsvg | * | From (including) 2.44.0 | Up to (excluding) 2.44.16 | ||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | librsvg | * | Up to (excluding) 2.40.21-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | librsvg | * | Up to (excluding) 2.46.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | librsvg | * | Up to (excluding) 2.46.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | librsvg | * | Up to (excluding) 2.46.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | librsvg | * | Up to (excluding) 2.46.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | librsvg | * | Up to (excluding) 2.46.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | librsvg | * | Up to (excluding) 2.46.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | librsvg | * | Up to (excluding) 2.46.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | librsvg | * | Up to (excluding) 2.46.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | librsvg | * | Up to (excluding) 2.40.21-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | librsvg | * | Up to (excluding) 2.40.21-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | librsvg | * | Up to (excluding) 2.46.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | librsvg2-tools-debuginfo | * | Up to (excluding) 2.42.7-4.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | librsvg | * | Up to (excluding) 2.44.10-2.1+deb10u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | librsvg | * | Up to (excluding) 2.46.4-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | librsvg | * | Up to (excluding) 2.46.4-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | librsvg | * | Up to (excluding) 2.40.21-0+deb9u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | librsvg | * | Up to (excluding) 2.46.4-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_30 | chromium-common | * | Up to (excluding) 80.0.3987.149-1.fc30 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | chromium-libs | * | Up to (excluding) 80.0.3987.132-1.fc31 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_8 | chromium-common | * | Up to (excluding) 80.0.3987.132-1.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | gdk-pixbuf-loader-rsvg | * | Up to (excluding) 2.42.8-lp151.3.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 2.42.7-4.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | librsvg2-tools-debuginfo | * | Up to (excluding) 2.42.7-4.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | gdk-pixbuf-loader-rsvg | * | Up to (excluding) 2.40.21-5.9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP4 | rsvg-view | * | Up to (excluding) 2-2-2.40.21-5.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | rsvg-view | * | Up to (excluding) 2-2-2.40.21-5.9.1 | |||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 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 无影响
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 100
| CWE-ID | 漏洞类型 |
| CWE-400 | 未加控制的资源消耗（资源穷尽） |
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