CVE-2017-10916

CVE-2017-10916 is an information-leak flaw in the Xen vCPU context-switch handling of Memory Protection Extensions (MPX) and Protection Key (PKU). The issue enables guest OS users to potentially bypass ASLR and related protections. Public advisories (Debian, SUSE, Fedora/OpenVAS/NASL) associate t...

CVE-2017-10916: Exposure of Sensitive Information to an Unauthorized Actor

The vCPU context-switch implementation in Xen through 4.8.x improperly interacts with the Memory Protection Extensions MPX and Protection Key PKU features, which makes it easier for guest OS users to defeat ASLR and other protection mechanisms, aka XSA-220...

x86: PKRU and BND* leakage between vCPU-s

ISSUE DESCRIPTION Memory Protection Extensions MPX and Protection Key PKU are features in newer processors, whose state is intended to be per-thread and context switched along with all other XSAVE state. Xen's vCPU context switch code would save and restore the state only if the guest had set the...

FAQ: Key Sizes/Certificates Supported by ADC

Q: What are the key sizes/certificates supported by ADC? A : An MPX appliance supports certificates of 512 or more bits, up to the following sizes: 4096-bit server certificate on the virtual server 4096-bit client certificate on the service 4096-bit CA certificate includes intermediate and root...

Borland StarTeam多个远程溢出及拒绝服务漏洞

BUGTRAQ ID: 28080 Borland Starteam是Borland公司ALM生命周期管理的核心工具，是目前市面上最好的软件配置管理工具之一。 Starteam服务器没有正确地计算为从客户端所接收到的某些数组所需分配的内存数，导致多个整数溢出漏洞。在PROJECTLOGIN和SETSERVERACL命令中，有32位从客户端所接收到的用于指定报文中条目数量的数字分别被乘以8（或4，具体取决于文件名名称或规范）和12，然后未经考虑32位的限制便将结果用于分配内存，这可能触发堆溢出，允许攻击者控制某些寄存器，导致执行恶意指令。但攻击者必须拥有有效帐号才能利用这些漏洞。...