低危 form.c中formOpdateBuffer中的空指针取消引用
CVE编号
CVE-2018-6197利用情况
暂无补丁情况
官方补丁披露时间
2018-01-25漏洞描述
w3m到0.5.3在form.c中的formUpdateBuffer中容易出现NULL指针解除引用缺陷。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://github.com/tats/w3m/commit/7fdc83b0364005a0b5ed869230dd81752ba022e8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 | w3m_project | w3m | * | Up to (including) 0.5.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | w3m | * | Up to (excluding) 0.5.3.20180125-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | w3m | * | Up to (excluding) 0.5.3.20180125-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | w3m | * | Up to (excluding) 0.5.3.20180125-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | w3m | * | Up to (excluding) 0.5.3.20180125-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | w3m | * | Up to (excluding) 0.5.3.20180125-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | w3m | * | Up to (excluding) 0.5.3.20180125-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | w3m | * | Up to (excluding) 0.5.3.20180125-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | w3m | * | Up to (excluding) 0.5.3.20180125-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | w3m | * | Up to (excluding) 0.5.3.20180125-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | w3m | * | Up to (excluding) 0.5.3.20180125-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | w3m | * | Up to (excluding) 0.5.3.20180125-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | w3m | * | Up to (excluding) 0.5.3.20180125-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | w3m | * | Up to (excluding) 0.5.3-36 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | w3m | * | Up to (excluding) 0.5.3-36 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | w3m | * | Up to (excluding) 0.5.3-36 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | w3m | * | Up to (excluding) 0.5.3-36 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | w3m-debugsource | * | Up to (excluding) 0.5.3-36.git20180125.fc27 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | w3m-img | * | Up to (excluding) 0.5.3-36.git20180125.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | w3m | * | Up to (excluding) 0.5.3.git20161120-164.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | w3m | * | Up to (excluding) 0.5.3.git20161120-161.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | w3m | * | Up to (excluding) 0.5.3.git20161120-161.3.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP4 | w3m | * | Up to (excluding) 0.5.3.git20161120-161.3.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | w3m | * | Up to (excluding) 0.5.3-15ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | w3m | * | Up to (excluding) 0.5.3-15ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | w3m | * | Up to (excluding) 0.5.3-26ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | w3m | * | Up to (excluding) 0.5.3-26ubuntu0.2 | |||||
- 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
| CWE-ID | 漏洞类型 |
| CWE-476 | 空指针解引用 |
Exp相关链接
版权声明
本站原创文章转载请注明文章出处及链接，谢谢合作！
评论