CVE编号
CVE-2016-5195利用情况
漏洞武器化补丁情况
官方补丁披露时间
2016-11-11漏洞描述
编译好的EXP下载地址： https://github.com/Brucetg/DirtyCow-EXP该漏洞是 Linux 内核的内存子系统在处理写时拷贝（Copy-on-Write）时存在条件竞争漏洞， 导致可以破坏私有只读内存映射。黑客可以在获取低权限的的本地用户后，利用此漏洞获取 其他只读内存映射的写权限，进一步获取 root 权限。
解决建议
厂商已发布了漏洞修复程序，请及时关注更新（或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）：https://bugzilla.redhat.com/show_bug.cgi?id=1384344
参考链接 |
|
|---|---|
| http://fortiguard.com/advisory/FG-IR-16-063 | |
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=19b... | |
| http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10770 | |
| http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10774 | |
| http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10807 | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00034.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00035.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00036.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00038.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00039.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00040.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00045.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00048.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00049.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00050.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00051.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00052.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00053.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00054.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00055.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00056.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00057.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00058.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00063.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00064.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00065.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00066.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00067.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00072.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00033.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00100.html | |
| http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html | |
| http://packetstormsecurity.com/files/139277/Kernel-Live-Patch-Security-Notice... | |
| http://packetstormsecurity.com/files/139286/DirtyCow-Linux-Kernel-Race-Condition.html | |
| http://packetstormsecurity.com/files/139287/DirtyCow-Local-Root-Proof-Of-Concept.html | |
| http://packetstormsecurity.com/files/139922/Linux-Kernel-Dirty-COW-PTRACE_POK... | |
| http://packetstormsecurity.com/files/139923/Linux-Kernel-Dirty-COW-PTRACE_POK... | |
| http://packetstormsecurity.com/files/142151/Kernel-Live-Patch-Security-Notice... | |
| http://rhn.redhat.com/errata/RHSA-2016-2098.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2105.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2106.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2107.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2110.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2118.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2120.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2124.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2126.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2127.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2128.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2132.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2133.html | |
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa... | |
| http://www.debian.org/security/2016/dsa-3696 | |
| http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161207-01-dirtycow-en | |
| http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.3 | |
| http://www.openwall.com/lists/oss-security/2016/10/21/1 | |
| http://www.openwall.com/lists/oss-security/2016/10/26/7 | |
| http://www.openwall.com/lists/oss-security/2016/10/27/13 | |
| http://www.openwall.com/lists/oss-security/2016/10/30/1 | |
| http://www.openwall.com/lists/oss-security/2016/11/03/7 | |
| http://www.openwall.com/lists/oss-security/2022/03/07/1 | |
| http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html | |
| http://www.securityfocus.com/archive/1/539611/100/0/threaded | |
| http://www.securityfocus.com/archive/1/540252/100/0/threaded | |
| http://www.securityfocus.com/archive/1/540344/100/0/threaded | |
| http://www.securityfocus.com/archive/1/540736/100/0/threaded | |
| http://www.securityfocus.com/archive/1/archive/1/539611/100/0/threaded | |
| http://www.securityfocus.com/archive/1/archive/1/540252/100/0/threaded | |
| http://www.securityfocus.com/archive/1/archive/1/540344/100/0/threaded | |
| http://www.securityfocus.com/archive/1/archive/1/540736/100/0/threaded | |
| http://www.securityfocus.com/bid/93793 | |
| http://www.securitytracker.com/id/1037078 | |
| http://www.ubuntu.com/usn/USN-3104-1 | |
| http://www.ubuntu.com/usn/USN-3104-2 | |
| http://www.ubuntu.com/usn/USN-3105-1 | |
| http://www.ubuntu.com/usn/USN-3105-2 | |
| http://www.ubuntu.com/usn/USN-3106-1 | |
| http://www.ubuntu.com/usn/USN-3106-2 | |
| http://www.ubuntu.com/usn/USN-3106-3 | |
| http://www.ubuntu.com/usn/USN-3106-4 | |
| http://www.ubuntu.com/usn/USN-3107-1 | |
| http://www.ubuntu.com/usn/USN-3107-2 | |
| https://access.redhat.com/errata/RHSA-2017:0372 | |
| https://access.redhat.com/security/cve/cve-2016-5195 | |
| https://access.redhat.com/security/vulnerabilities/2706661 | |
| https://bto.bluecoat.com/security-advisory/sa134 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1384344 | |
| https://bugzilla.suse.com/show_bug.cgi?id=1004418 | |
| https://dirtycow.ninja | |
| https://github.com/dirtycow/dirtycow.github.io/wiki/PoCs | |
| https://github.com/dirtycow/dirtycow.github.io/wiki/VulnerabilityDetails | |
| https://github.com/torvalds/linux/commit/19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619 | |
| https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr... | |
| https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr... | |
| https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr... | |
| https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr... | |
| https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr... | |
| https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_n... | |
| https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_n... | |
| https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_n... | |
| https://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Cente... | |
| https://kc.mcafee.com/corporate/index?page=content&id=SB10176 | |
| https://kc.mcafee.com/corporate/index?page=content&id=SB10177 | |
| https://kc.mcafee.com/corporate/index?page=content&id=SB10222 | |
| 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://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5195.html | |
| https://security-tracker.debian.org/tracker/CVE-2016-5195 | |
| https://security.netapp.com/advisory/ntap-20161025-0001/ | |
| https://security.paloaltonetworks.com/CVE-2016-5195 | |
| https://source.android.com/security/bulletin/2016-11-01.html | |
| https://source.android.com/security/bulletin/2016-12-01.html | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s... | |
| https://www.arista.com/en/support/advisories-notices/security-advisories/1753... | |
| https://www.exploit-db.com/exploits/40611/ | |
| https://www.exploit-db.com/exploits/40616/ | |
| https://www.exploit-db.com/exploits/40839/ | |
| https://www.exploit-db.com/exploits/40847/ | |
| https://www.kb.cert.org/vuls/id/243144 |
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 | canonical | ubuntu_core | 15.04 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | canonical | ubuntu_linux | 12.04 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | canonical | ubuntu_linux | 16.04 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 8.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | DPKG | * |
Up to (excluding) 4.7.8-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
From (including) 2.0.0 |
Up to (excluding) 4.8.3 |
||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux | 5 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux | 6.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_aus | 6.2 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_aus | 6.4 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_aus | 6.5 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_eus | 6.6 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_eus | 6.7 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_eus | 7.1 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_long_life | 5.6 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_long_life | 5.9 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_tus | 6.5 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_5 | kernel | * |
Up to (excluding) 0:2.6.18-416.el5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_6 | kernel | * |
Up to (excluding) 0:2.6.32-642.6.2.el6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel | * |
Up to (excluding) 0:3.10.0-327.36.3.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel | * |
Up to (excluding) 0:4.5.0-15.2.1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel-rt | * |
Up to (excluding) 0:3.10.0-327.36.3.rt56.238.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | kernel-default-extra | * |
Up to (excluding) 4.4.21-69 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_12.04_lts | linux | * |
Up to (excluding) 3.2.0-115.157 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | linux | * |
Up to (excluding) 3.13.0-100.147 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | linux | * |
Up to (excluding) 4.4.0-45.66 |
|||||
- 攻击路径 本地
- 攻击复杂度 容易
- 权限要求 无需权限
- 影响范围 全局影响
- EXP成熟度 漏洞武器化
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 服务器失陷
- 全网数量 N/A
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