CVE编号
CVE-2020-6821利用情况
暂无补丁情况
官方补丁披露时间
2020-04-25漏洞描述
当使用WebGL's <code>copyTexSubImage</code>方法从源资源的部分或全部区域读取数据时，规范要求返回的值为零。以前，此内存未初始化，导致潜在的敏感数据泄露。此漏洞影响Thunderbird <68.7.0，Firefox ESR <68.7和Firefox <75。解决建议
厂商已发布了漏洞修复程序，请及时关注更新：https://www.mozilla.org/en-US/security/advisories/mfsa2020-12/
https://www.mozilla.org/en-US/security/advisories/mfsa2020-13/
https://www.mozilla.org/en-US/security/advisories/mfsa2020-14/
参考链接 |
|
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1625404 | |
| https://usn.ubuntu.com/4335-1/ | |
| https://www.mozilla.org/security/advisories/mfsa2020-12/ | |
| https://www.mozilla.org/security/advisories/mfsa2020-13/ | |
| https://www.mozilla.org/security/advisories/mfsa2020-14/ |
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) 75.0 |
|||||
| 运行在以下环境 | |||||||||
| 应用 | mozilla | firefox_esr | * |
Up to (excluding) 68.7.0 |
|||||
| 运行在以下环境 | |||||||||
| 应用 | mozilla | thunderbird | * |
Up to (excluding) 68.7.0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | firefox | * |
Up to (excluding) 68.7.0-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | firefox | * |
Up to (excluding) 68.7.0-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | firefox | * |
Up to (excluding) 68.7.0-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | firefox | * |
Up to (excluding) 68.7.0-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | firefox | * |
Up to (excluding) 75.0-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | firefox | * |
Up to (excluding) 68.7.0-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | firefox | * |
Up to (excluding) 68.8.0-1.amzn2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_6 | firefox | * |
Up to (excluding) 68.7.0-2.el6.centos |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | firefox | * |
Up to (excluding) 68.7.0-1.el7.centos |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | firefox | * |
Up to (excluding) 68.7.0-2.el8_1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | firefox | * |
Up to (excluding) 1:68.7.0-1~deb10u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | firefox | * |
Up to (excluding) 1:60.5.1-1~deb8u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | firefox | * |
Up to (excluding) 1:68.7.0-1~deb9u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | firefox | * |
Up to (excluding) 68.7.0-lp151.2.35.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | firefox | * |
Up to (excluding) 68.7.0-2.0.1.el6_10 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | firefox | * |
Up to (excluding) 68.7.0-2.0.1.el7_8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | firefox | * |
Up to (excluding) 68.7.0-2.0.1.el8_1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | firefox | * |
Up to (excluding) 68.7.0-2.el8_1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP4 | firefox | * |
Up to (excluding) 68.7.0-109.116.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | firefox | * |
Up to (excluding) 68.7.0-109.116.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | firefox | * |
Up to (excluding) 75.0+build3-0ubuntu0.16.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | firefox | * |
Up to (excluding) 1:68.7.0+build1-0ubuntu0.18.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | firefox | * |
Up to (excluding) 1:68.7.0+build1-0ubuntu1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | firefox | * |
Up to (excluding) 1:68.7.0+build1-0ubuntu1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_20 | firefox | * |
Up to (excluding) 68.7.0esr-1~deb10u1 |
|||||
- 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
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