低危 Mozilla Firefox 安全漏洞
CVE编号
CVE-2020-26972利用情况
暂无补丁情况
官方补丁披露时间
2021-01-08漏洞描述
The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 84.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。
参考链接 |
|
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1671382 | |
| https://www.mozilla.org/security/advisories/mfsa2020-54/ |
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 | mozilla | firefox | * | Up to (excluding) 84.0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | firefox | * | Up to (excluding) 84.0.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | firefox | * | Up to (excluding) 84.0.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | firefox | * | Up to (excluding) 84.0.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | firefox | * | Up to (excluding) 84.0.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | firefox | * | Up to (excluding) 84.0.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | firefox | * | Up to (excluding) 84.0.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | firefox | * | Up to (excluding) 84.0.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | firefox | * | Up to (excluding) 84.0.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | firefox | * | Up to (excluding) 84.0-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | firefox | * | Up to (excluding) 84.0+build3-0ubuntu0.16.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | firefox | * | Up to (excluding) 84.0+build3-0ubuntu0.16.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | firefox | * | Up to (excluding) 84.0+build3-0ubuntu0.18.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | firefox | * | Up to (excluding) 84.0+build3-0ubuntu0.18.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | firefox | * | Up to (excluding) 84.0+build3-0ubuntu0.20.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | firefox | * | Up to (excluding) 84.0+build3-0ubuntu2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | firefox | * | Up to (excluding) 84.0+build3-0ubuntu2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | firefox | * | Up to (excluding) 1:1snap1-0ubuntu2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.10 | firefox | * | Up to (excluding) 84.0+build3-0ubuntu2 | |||||
- 攻击路径 远程
- 攻击复杂度 容易
- 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 传输被破坏
- 服务器危害 DoS
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-416 | 释放后使用 |
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