CVE编号
CVE-2017-8824利用情况
暂无补丁情况
官方补丁披露时间
2017-12-05漏洞描述
Linux kernel through 4.14.3中net / dccp / proto.c中net / dccp / proto.c中的dccp_disconnect函数允许本地用户在DCCP_LISTEN状态期间通过AF_UNSPEC连接系统调用获得特权或导致服务拒绝（UAF）。解决建议
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载:http://www.spinics.net/lists/netdev/msg469985.html
https://access.redhat.com/security/cve/CVE-2017-8824
http://www.linux.org/
https://bugzilla.redhat.com/show_bug.cgi?id=1519591
参考链接 |
|
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html | |
| http://lists.openwall.net/netdev/2017/12/04/224 | |
| http://www.openwall.com/lists/oss-security/2017/12/05/1 | |
| http://www.securityfocus.com/bid/102056 | |
| https://access.redhat.com/errata/RHSA-2018:0399 | |
| https://access.redhat.com/errata/RHSA-2018:0676 | |
| https://access.redhat.com/errata/RHSA-2018:1062 | |
| https://access.redhat.com/errata/RHSA-2018:1130 | |
| https://access.redhat.com/errata/RHSA-2018:1170 | |
| https://access.redhat.com/errata/RHSA-2018:1216 | |
| https://access.redhat.com/errata/RHSA-2018:1319 | |
| https://access.redhat.com/errata/RHSA-2018:3822 | |
| https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+Stru... | |
| https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html | |
| https://usn.ubuntu.com/3581-1/ | |
| https://usn.ubuntu.com/3581-2/ | |
| https://usn.ubuntu.com/3581-3/ | |
| https://usn.ubuntu.com/3582-1/ | |
| https://usn.ubuntu.com/3582-2/ | |
| https://usn.ubuntu.com/3583-1/ | |
| https://usn.ubuntu.com/3583-2/ | |
| https://www.debian.org/security/2017/dsa-4073 | |
| https://www.debian.org/security/2018/dsa-4082 | |
| https://www.exploit-db.com/exploits/43234/ |
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 | |||||||||
| 系统 | linux | linux_kernel | * |
Up to (including) 4.14.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_5 | kernel | * |
Up to (excluding) 0:2.6.18-436.el5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_6 | kernel | * |
Up to (excluding) 0:2.6.32-696.28.1.el6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel | * |
Up to (excluding) 0:3.10.0-693.25.2.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel | * |
Up to (excluding) 0:3.10.0-862.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel-rt | * |
Up to (excluding) 0:3.10.0-862.rt56.804.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | kernel-default-extra | * |
Up to (excluding) 4.12.14-94.41 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | linux | * |
Up to (excluding) 3.13.0-142.191 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | linux | * |
Up to (excluding) 4.4.0-116.140 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04_lts | linux | * |
Up to (excluding) 4.15.0-10.11 |
|||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 普通权限
- 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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