漏洞类别：RedHat
漏洞等级： 
漏洞信息
Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.
A remote code execution flaw was found in Samba. A malicious authenticated samba client, having write access to the samba share, could use this flaw to execute arbitrary code as root. (CVE-2017-7494)
Affected Products
Red Hat Enterprise Linux Server - Extended Update Support 7.2 x86_64
Red Hat Enterprise Linux Server - Extended Update Support 6.7 x86_64
Red Hat Enterprise Linux Server - Extended Update Support 6.7 i386
Red Hat Enterprise Linux Resilient Storage (for RHEL Server) - Extended Update Support 7.2 x86_64
Red Hat Enterprise Linux EUS Compute Node 7.2 x86_64
Red Hat Enterprise Linux EUS Compute Node 6.7 x86_64
Red Hat Enterprise Linux Server - AUS 7.2 x86_64
Red Hat Enterprise Linux Server - AUS 6.6 x86_64
Red Hat Enterprise Linux Server - AUS 6.5 x86_64
Red Hat Enterprise Linux Server - AUS 6.4 x86_64
Red Hat Enterprise Linux Server - AUS 6.2 x86_64
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.2 s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 6.7 s390x
Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.2 ppc64
Red Hat Enterprise Linux for Power, big endian - Extended Update Support 6.7 ppc64
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.2 ppc64le
Red Hat Enterprise Linux Server - TUS 7.2 x86_64
Red Hat Enterprise Linux Server - TUS 6.6 x86_64
Red Hat Enterprise Linux Server - TUS 6.5 x86_64
漏洞危害
On successful exploitation attacker could use this flaw to execute arbitrary code as root.
解决方案
Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.
Refer to Red Hat security advisory RHSA-2017:1390 to address this issue and obtain more information.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
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