Security Advisories & Alerts

Multiple Vulnerabilities in PHP

Description: Multiple vulnerabilities have been discovered in PHP, the most severe of which could allow an attacker to execute arbitrary code. PHP is a programming language originally designed for use in web-based applications with HTML content. PHP supports a wide variety of platforms and is used by numerous web-based software applications. Successfully exploiting the most severe of these vulnerabilities could allow for arbitrary code execution...

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OpenSSL CVE-2018-0739 Denial of Service Vulnerability

Description: Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial of Service attack. There are no such structures used within SSL/TLS that come from untrusted sources so this is considered safe Impact: An attacker can exploit this issue to cause denial-of-service conditions. OpenSSL...

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Linux Kernel CVE-2017-7518 Privilege Escalation Vulnerability

Description: A flaw was found in the way the Linux KVM module processed the trap flag(TF) bit in EFLAGS during emulation of the syscall instruction, which leads to a debug exception(DB) being raised in the guest stack. A user/process inside a guest could use this flaw to potentially escalate their privileges inside the guest. Impact: An attacker can leverage this issue to gain elevated privileges...

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Cisco Secure Access Control System Remote Code Execution Vulnerability

Description: A vulnerability in the ACS Report component of Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to execute arbitrary commands on an affected system. Commands executed by the attacker are processed at the targeted user’s privilege level. The vulnerability is due to insufficient validation of the Action Message Format (AMF) protocol. An attacker could exploit this vulnerability by sending a...

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Cisco Wireless LAN Controller 802.11 Management Frame Denial of Service Vulnerability

Description: A vulnerability in the 802.11 frame validation functionality of the Cisco Wireless LAN Controller (WLC) could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to incomplete input validation of certain 802.11 management information element frames that an affected device receives from wireless clients. An attacker could exploit...

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