The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://www.ruby-lang.org/en/news/2012/10/12/poisoned-NUL-byte-vulnerability/ https://access.redhat.com/security/cve/CVE-2012-4522/ http://www.vuxml.org/freebsd/3decc87d-2498-11e2-b0c7-000d601460a4.html

The following package is affected: ruby CVE-2012-4522 The rb_get_path_check function in file.c in Ruby 1.9.3 before patchlevel 286 and Ruby 2.0.0 before r37163 allows context-dependent attackers to create files in unexpected locations or with unexpected names via a NUL byte in a file path.