低危 GNU Patch up to 2.7.6 pch.c intuit_diff_type 拒绝服务漏洞
CVE编号
CVE-2018-6951利用情况
暂无补丁情况
官方补丁披露时间
2018-02-14漏洞描述
在 GNU patch through 2.7.6中发现了一个问题。存在与NULL指针解除引用相关联的分段错误，导致pch.c中的intuit_diff_type函数中的拒绝服务，即“损坏的重命名”问题。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://savannah.gnu.org/bugs/index.php?53132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 | gnu | patch | * | Up to (including) 2.7.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | patch | * | Up to (excluding) 2.7.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | patch | * | Up to (excluding) 2.7.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | patch | * | Up to (excluding) 2.7.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | patch | * | Up to (excluding) 2.7.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | patch | * | Up to (excluding) 2.7.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | patch | * | Up to (excluding) 2.7.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | patch | * | Up to (excluding) 2.7.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | patch | * | Up to (excluding) 2.7.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | patch | * | Up to (excluding) 2.7.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.4 | patch | * | Up to (excluding) 2.7.5-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.5 | patch | * | Up to (excluding) 2.7.5-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.6 | patch | * | Up to (excluding) 2.7.5-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.7 | patch | * | Up to (excluding) 2.7.5-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | patch | * | Up to (excluding) 2.7.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | patch | * | Up to (excluding) 2.7.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | patch | * | Up to (excluding) 2.7.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | patch | * | Up to (including) 2.7.6-3+deb10u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | patch | * | Up to (including) 2.7.6-7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | patch | * | Up to (including) 2.7.6-7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | patch | * | Up to (including) 2.7.5-1+deb9u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | patch | * | Up to (including) 2.7.6-7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_26 | patch-debuginfo | * | Up to (excluding) 2.7.6-3.fc26 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | patch-debuginfo | * | Up to (excluding) 2.7.6-3.fc27 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_28 | patch-debuginfo | * | Up to (excluding) 2.7.6-5.fc28 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | patch | * | Up to (excluding) 2.7.5-9.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | patch | * | Up to (excluding) 2.7.5-8.5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | patch | * | Up to (excluding) 2.7.5-8.5.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | patch | * | Up to (excluding) 2.7.1-4ubuntu2.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | patch | * | Up to (excluding) 2.7.1-4ubuntu2.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | patch | * | Up to (excluding) 2.7.5-1ubuntu0.16.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | patch | * | Up to (excluding) 2.7.5-1ubuntu0.16.04.1 | |||||
- 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-476 | 空指针解引用 |
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