漏洞类别：RedHat
漏洞等级： 
漏洞信息
Red Hat Certificate System is an enterprise software system designed to manage enterprise public key infrastructure (PKI) deployments.
It was found that a mock CMC authentication plugin with a hardcoded secret was accidentally enabled by default in the pki-core package. An attacker could potentially use this flaw to bypass the regular authentication process and trick the CA server into issuing certificates. (CVE-2017-7537)
Affected Products
Red Hat Enterprise Linux Server 7 x86_64
Red Hat Enterprise Linux Server - Extended Update Support 7.4 x86_64
Red Hat Enterprise Linux Server - AUS 7.4 x86_64
Red Hat Enterprise Linux Workstation 7 x86_64
Red Hat Enterprise Linux Desktop 7 x86_64
Red Hat Enterprise Linux for IBM z Systems 7 s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.4 s390x
Red Hat Enterprise Linux for Power, big endian 7 ppc64
Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.4 ppc64
Red Hat Enterprise Linux for Scientific Computing 7 x86_64
Red Hat Enterprise Linux EUS Compute Node 7.4 x86_64
Red Hat Enterprise Linux for Power, little endian 7 ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.4 ppc64le
Red Hat Enterprise Linux Server for ARM 7 aarch64
Red Hat Enterprise Linux Server - TUS 7.4 x86_64
漏洞危害
An attacker could potentially use this flaw to bypass the regular authentication process and trick the CA server into issuing certificates.
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-2017:2335 to address this issue and obtain more information.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
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