漏洞类别：RedHat
漏洞等级： 
漏洞信息
Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications.
A null pointer dereference flaw was found in the way NSS handled empty SSLv2 messages. An attacker could use this flaw to crash a server application compiled against the NSS library. (CVE-2017-7502)
Affected Products
Red Hat Enterprise Linux Server 7 x86_64
Red Hat Enterprise Linux Server - Extended Update Support 7.3 x86_64
Red Hat Enterprise Linux Server - AUS 7.3 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 7.3 s390x
Red Hat Enterprise Linux for Power, big endian 7 ppc64
Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.3 ppc64
Red Hat Enterprise Linux for Scientific Computing 7 x86_64
Red Hat Enterprise Linux EUS Compute Node 7.3 x86_64
Red Hat Enterprise Linux for Power, little endian 7 ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.3 ppc64le
Red Hat Enterprise Linux Server for ARM 7 aarch64
Red Hat Enterprise Linux Server - TUS 7.3 x86_64
漏洞危害
An attacker could use this flaw to crash a server application compiled against the NSS library.
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-2017:1365 to address this issue and obtain more information.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
0daybank
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