CVE编号
CVE-2016-7972利用情况
暂无补丁情况
官方补丁披露时间
2017-03-04漏洞描述
libass是一个轻量级的对ASS/SSA格式字幕进行渲染的函数库。Libass中存在安全绕过漏洞，远程攻击者可以利用漏洞绕过安全机制执行未经认证的操作。
解决建议
目前厂商已发布更新，参考链接如下：https://github.com/libass/libass/pull/240/commits/aa54e0b59200a994d50a346b5d7ac818ebcf2d4b
参考链接 |
|
|---|---|
| http://lists.opensuse.org/opensuse-updates/2016-12/msg00068.html | |
| http://www.openwall.com/lists/oss-security/2016/10/05/2 | |
| http://www.securityfocus.com/bid/93358 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1381960 | |
| https://github.com/libass/libass/pull/240/commits/aa54e0b59200a994d50a346b5d7... | |
| https://github.com/libass/libass/releases/tag/0.13.4 | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.gentoo.org/glsa/201702-25 |
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 | libass_project | libass | * |
Up to (including) 0.13.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.3 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.4 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.5 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.6 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.7 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | libass | * |
Up to (excluding) 0.13.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian | DPKG | * |
Up to (excluding) 0.13.4-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | libass | * |
Up to (excluding) 0.10.0-3+deb7u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedoraproject | fedora | 23 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedoraproject | fedora | 24 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedoraproject | fedora | 25 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_23 | libass | * |
Up to (excluding) 0.13.4-1.fc23 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_24 | libass | * |
Up to (excluding) 0.13.4-1.fc24 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_25 | libass | * |
Up to (excluding) 0.13.4-1.fc25 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | libass | * |
Up to (excluding) 0.13.4-1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse | leap | 42.1 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse | opensuse | 13.2 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.1 | libass | * |
Up to (excluding) 0.12.3-6.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | libass5 | * |
Up to (excluding) 0.10.2-3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP1 | libass | * |
Up to (excluding) 0.10.2-3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP2 | libass | * |
Up to (excluding) 0.10.2-3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP1 | libass | * |
Up to (excluding) 0.10.2-3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP2 | libass | * |
Up to (excluding) 0.10.2-3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_12.04_lts | libass | * |
Up to (excluding) 0.10.0-3+deb7u1build0.12.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04_lts | libass | * |
Up to (excluding) 1:0.13.4-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.10 | libass | * |
Up to (excluding) 1:0.13.4-2 |
|||||
- 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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