CVE-2015-3225 Rack vulnerable to Denial of Service via large parameter depth request
Remote attackers can cause a denial of service via SystemStackError by sending requests with excessive parameter depth in the Rack library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-3225?
CVE-2015-3225 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 26 Jul 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
lib/rack/utils.rb in Rack before 1.5.4 and 1.6.x before 1.6.2, as used with Ruby on Rails 3.x and 4.x and other products, allows remote attackers to cause a denial of service (SystemStackError) via a request with a large parameter depth.
Weakness: CWE-19
Which versions are affected by CVE-2015-3225?
6 open source packages ship an affected version, including rack. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
rack RubyGems | From 1.4.0 | 1.4.6 |
rack RubyGems | From 1.4.0 | 1.4.6 |
rack RubyGems | From 1.5.0 | 1.5.4 |
rack RubyGems | From 1.5.0 | 1.5.4 |
rack RubyGems | From 1.6.0 | 1.6.2 |
rack RubyGems | From 1.6.0 | 1.6.2 |
Linux distribution packages (13)
pcs Red Hat:enterprise_linux:7::server | All versions | 0:0.9.143-15.el7 |
pcs-debuginfo Red Hat:enterprise_linux:7::server | All versions | 0:0.9.143-15.el7 |
rubygem-rack-1_4 SUSE:Enterprise Storage 1.0 | All versions | 1.4.5-8.10 |
rubygem-rack-1_4 SUSE:Enterprise Storage 2 | All versions | 1.4.5-8.10 |
rubygem-rack SUSE:Lifecycle Management Server 1.3 | All versions | 1.1.6-0.11.2 |
rubygem-rack-1_4 SUSE:Lifecycle Management Server 1.3 | All versions | 1.4.5-0.7.3 |
rubygem-rack-1_4 SUSE:Linux Enterprise Module for Containers 12 | All versions | 1.4.5-8.10 |
rubygem-rack SUSE:Linux Enterprise Software Development Kit 11 SP3 | All versions | 1.1.6-0.11.2 |
rubygem-rack-1_4 SUSE:Linux Enterprise Software Development Kit 11 SP3 | All versions | 1.4.5-0.7.3 |
rubygem-rack-1_4 SUSE:Linux Enterprise Software Development Kit 11 SP4 | All versions | 1.4.5-0.7.3 |
rubygem-rack SUSE:OpenStack Cloud 5 | All versions | 1.5.2-9.6 |
rubygem-rack-1_4 SUSE:Studio Onsite 1.3 | All versions | 1.4.5-0.7.3 |
rubygem-rack-1_4 SUSE:WebYast 1.3 | All versions | 1.4.5-0.7.3 |
Products include Debian Debian Linux, Opensuse Opensuse, Rack Project Rack.
How do I fix CVE-2015-3225?
Upgrade rack to a fixed version for your release line: 1.4.6, 1.5.4 or 1.6.2.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2015-3225 being exploited?
There is no known exploitation of CVE-2015-3225 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2015-3225, DLA-254-1, DSA-3322-1, GHSA-rgr4-9jh5-j4j6, MGASA-2015-0346, RHSA-2015:2290 and 4 more.