CVE-2006-1931 Denial of service in n/a

Medium 5.0 Published Updated

Attackers can cause denial of service in Ruby's HTTP/XMLRPC server by sending large amounts of data due to blocking sockets.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2006-1931?

CVE-2006-1931 is a medium-severity denial of service vulnerability in n/a, published on 20 Apr 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The HTTP/XMLRPC server in Ruby before 1.8.2 uses blocking sockets, which allows attackers to cause a denial of service (blocked connections) via a large amount of data.

Which versions are affected by CVE-2006-1931?

It affects 1 product.

Linux distribution packages (32)
irb Red Hat:enterprise_linux:4::asAll versions0:1.8.1-7.EL4.3
ruby Red Hat:enterprise_linux:4::asAll versions0:1.8.1-7.EL4.3
ruby-debuginfo Red Hat:enterprise_linux:4::asAll versions0:1.8.1-7.EL4.3
ruby-devel Red Hat:enterprise_linux:4::asAll versions0:1.8.1-7.EL4.3
ruby-docs Red Hat:enterprise_linux:4::asAll versions0:1.8.1-7.EL4.3
ruby-libs Red Hat:enterprise_linux:4::asAll versions0:1.8.1-7.EL4.3
ruby-mode Red Hat:enterprise_linux:4::asAll versions0:1.8.1-7.EL4.3
ruby-tcltk Red Hat:enterprise_linux:4::asAll versions0:1.8.1-7.EL4.3
irb Red Hat:enterprise_linux:4::desktopAll versions0:1.8.1-7.EL4.3
ruby Red Hat:enterprise_linux:4::desktopAll versions0:1.8.1-7.EL4.3
ruby-debuginfo Red Hat:enterprise_linux:4::desktopAll versions0:1.8.1-7.EL4.3
ruby-devel Red Hat:enterprise_linux:4::desktopAll versions0:1.8.1-7.EL4.3
ruby-docs Red Hat:enterprise_linux:4::desktopAll versions0:1.8.1-7.EL4.3
ruby-libs Red Hat:enterprise_linux:4::desktopAll versions0:1.8.1-7.EL4.3
ruby-mode Red Hat:enterprise_linux:4::desktopAll versions0:1.8.1-7.EL4.3
ruby-tcltk Red Hat:enterprise_linux:4::desktopAll versions0:1.8.1-7.EL4.3
irb Red Hat:enterprise_linux:4::esAll versions0:1.8.1-7.EL4.3
ruby Red Hat:enterprise_linux:4::esAll versions0:1.8.1-7.EL4.3
ruby-debuginfo Red Hat:enterprise_linux:4::esAll versions0:1.8.1-7.EL4.3
ruby-devel Red Hat:enterprise_linux:4::esAll versions0:1.8.1-7.EL4.3
ruby-docs Red Hat:enterprise_linux:4::esAll versions0:1.8.1-7.EL4.3
ruby-libs Red Hat:enterprise_linux:4::esAll versions0:1.8.1-7.EL4.3
ruby-mode Red Hat:enterprise_linux:4::esAll versions0:1.8.1-7.EL4.3
ruby-tcltk Red Hat:enterprise_linux:4::esAll versions0:1.8.1-7.EL4.3
irb Red Hat:enterprise_linux:4::wsAll versions0:1.8.1-7.EL4.3
ruby Red Hat:enterprise_linux:4::wsAll versions0:1.8.1-7.EL4.3
ruby-debuginfo Red Hat:enterprise_linux:4::wsAll versions0:1.8.1-7.EL4.3
ruby-devel Red Hat:enterprise_linux:4::wsAll versions0:1.8.1-7.EL4.3
ruby-docs Red Hat:enterprise_linux:4::wsAll versions0:1.8.1-7.EL4.3
ruby-libs Red Hat:enterprise_linux:4::wsAll versions0:1.8.1-7.EL4.3
ruby-mode Red Hat:enterprise_linux:4::wsAll versions0:1.8.1-7.EL4.3
ruby-tcltk Red Hat:enterprise_linux:4::wsAll versions0:1.8.1-7.EL4.3

Products include Yukihiro Matsumoto Ruby.

How do I fix CVE-2006-1931?

Upgrade to a fixed version.

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-2006-1931 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-1931 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-j98g-25wq-62h9, RHSA-2006:0427.

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