ShapeBlue Security Advisory – DNSMasq Vulnerabilities

A number of security flaws were recently found in the DNSMasq tool. This tool is used by many systems to provide DNS and DHCP services, including by the CloudStack System VMs.
This advisory explains their affect on CloudStack and how to patch CloudStack against these flaws.

Migration away from download.cloud.com to download.cloudstack.org may cause problems in exisiting cloudstack installations and versions

Background Cloudstack relies on a fixed download site when it fetches the built-in guest VM templates. That download site has historically been download.cloud.com and is being replaced by download.cloudstack.org. Download.cloudstack.org is now fully functional. The retirement date of download.cloud.com is unknown but expected to be imminent The issue & behaviour After the retirement of download.cloud.com, […]

Shapeblue Security Advisory For CVE-2016-6813: Apache CloudStack registerUserKeys authorization vulnerability

Overview Apache CloudStack provides a registerUserKeys API that allows a user to create or recreate a secret key and an API key to use for authentication when using the CloudStack API. A malicious user can request this API action in conjunction with the ID of another CloudStack user/account.  The newly created or re-generated API keys for […]

Shapeblue Security Advisory For CVE-2016-3085: Apache CloudStack Authentication Bypass Vulnerability

Overview Apache CloudStack contains an authentication module providing “single sign-on” functionality via the SAML data format. Under certain conditions, a user could manage to access the user interface without providing proper credentials. As the SAML plugin is disabled by default, this issue only affects installations that have enabled and use SAML-based authentication. Mitigation: Users of […]

Shapeblue Security Advisory for CVE-2015-0235, aka the Ghost vulnerability

Overview A vulnerability has been recently disclosed by Qualys that could result in a remote attacker being able to execute malicious instructions on vulnerable systems. The vulnerability affects Linux based operating systems. This is better known as GHOST ‘glibc’ vulnerability (CVE-2015-0235): https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0235 What is ShapeBlue Doing ShapeBlue has analysed the impact of this issue on Apache CloudStack (ACS).  The […]

Shellshock and CloudStack

Shellshock is the family of bugs in the Unix Bash shell which allows an attacker to execute arbitrary commands on a vulnerable system potentially allowing an attacker to gain full access to that system. The bug (CVE-2014-6271) was first disclosed on 24 September 2014, upon closer inspection of the code, related vulnerabilities (CVE-2014-6277, CVE-2014-6278, CVE-2014-7169, CVE-2014-7186, and CVE-2014-7187) were […]

Retirement of the realhostip.com Service

The realhostip.com service will be switched off on the 1st October 2014. Paul Angus looks at what it did, what effect the retirement will have and what you need to do to carry on working if you’re affected. What is realhostip.com? When you connect to the Console Proxy system VM or download a disk or […]