CVE-2016-1583— Linux kernel fs/ecryptfs/kthread.c文件本地提权漏洞

一分钟漏洞结论

复制摘要 复制引用

影响对象

n/a n/a

利用判断

尚无明确在野利用证据，仍需结合暴露面评估

建议动作

优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 4.6.2及之前版本的fs/ecryptfs/kthread.c文件中的‘ecryptfs_privileged_open’函数存在安全漏洞。本地攻击者可借助特制的mmap调用利用该漏洞获取权限，或造成拒绝服务（栈内存消耗）。

CVE-2016-1583 影响 n/a n/a。尚无明确在野利用证据，仍需结合暴露面评估。Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 4.6.2及之前版本的fs/ecryptfs/kthread.c文件中的‘ecryptfs_privileged_open’函数存在安全漏洞。本地攻击者可借助特制的mmap CVE-2016-1583 漏洞详情，神龙漏洞库，https://cve.imfht.com/detail/CVE-2016-1583

一、 漏洞 CVE-2016-1583 基础信息

受影响产品

二、漏洞 CVE-2016-1583 的公开POC

三、漏洞 CVE-2016-1583 的情报信息

CVE-2016-1583 补丁与修复 (5)

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f5364c150aa645b3d7daa21b5c0b9feaa1c9cd6d x_refsource_CONFIRM
• https://github.com/torvalds/linux/commit/2f36db71009304b3f0b95afacd8eba1f9f046b87 x_refsource_CONFIRM
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f36db71009304b3f0b95afacd8eba1f9f046b87 x_refsource_CONFIRM
• https://github.com/torvalds/linux/commit/f0fe970df3838c202ef6c07a4c2b36838ef0a88b x_refsource_MISC
• https://github.com/torvalds/linux/commit/f5364c150aa645b3d7daa21b5c0b9feaa1c9cd6d x_refsource_CONFIRM

CVE-2016-1583 厂商安全公告 (18)

• https://bugzilla.redhat.com/show_bug.cgi?id=1344721 x_refsource_CONFIRM
• http://www.securityfocus.com/bid/91157 vdb-entry x_refsource_BID
• http://www.securitytracker.com/id/1036763 vdb-entry x_refsource_SECTRACK
• http://www.debian.org/security/2016/dsa-3607 vendor-advisory x_refsource_DEBIAN
• http://www.ubuntu.com/usn/USN-3006-1 vendor-advisory x_refsource_UBUNTU
• http://www.ubuntu.com/usn/USN-3002-1 vendor-advisory x_refsource_UBUNTU
• USN-3005-1: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security notices | Ubuntu vendor-advisory x_refsource_UBUNTU
• http://www.ubuntu.com/usn/USN-2998-1 vendor-advisory x_refsource_UBUNTU
• USN-3008-1: Linux kernel (Qualcomm Snapdragon) vulnerability | Ubuntu security notices | Ubuntu vendor-advisory x_refsource_UBUNTU
• http://www.ubuntu.com/usn/USN-3001-1 vendor-advisory x_refsource_UBUNTU
• http://www.ubuntu.com/usn/USN-3004-1 vendor-advisory x_refsource_UBUNTU
• 🔗 USN-2996-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu 查看完整文章 vendor-advisory x_refsource_UBUNTU
• http://www.ubuntu.com/usn/USN-3003-1 vendor-advisory x_refsource_UBUNTU
• http://www.ubuntu.com/usn/USN-2997-1 vendor-advisory x_refsource_UBUNTU
• http://www.ubuntu.com/usn/USN-3007-1 vendor-advisory x_refsource_UBUNTU
• http://www.ubuntu.com/usn/USN-3000-1 vendor-advisory x_refsource_UBUNTU
• https://access.redhat.com/errata/RHSA-2017:2760 vendor-advisory x_refsource_REDHAT
• http://rhn.redhat.com/errata/RHSA-2016-2124.html vendor-advisory x_refsource_REDHAT

CVE-2016-1583 公开利用代码 (2)

• http://packetstormsecurity.com/files/137560/Linux-ecryptfs-Stack-Overflow.html x_refsource_MISC
• https://www.exploit-db.com/exploits/39992/ exploit x_refsource_EXPLOIT-DB

CVE-2016-1583 邮件列表归档 (20)

• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00027.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html vendor-advisory x_refsource_SUSE
• http://www.openwall.com/lists/oss-security/2016/06/10/8 mailing-list x_refsource_MLIST
• http://www.openwall.com/lists/oss-security/2016/06/22/1 mailing-list x_refsource_MLIST

CVE-2016-1583 其他参考 (2)

• https://bugs.chromium.org/p/project-zero/issues/detail?id=836 x_refsource_MISC
• https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3 x_refsource_CONFIRM

• https://www.cve.org/CVERecord?id=CVE-2016-1583

同批安全公告 · n/a · 2016-06-27 · 共 14 条

IV. Related Vulnerabilities

V. Comments for CVE-2016-1583