Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 67.6%
CVSS Severity
CVSS v2 Score 5.0
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090235.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090515.html
- http://rhn.redhat.com/errata/RHSA-2013-0129.html
- http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37163
- http://www.openwall.com/lists/oss-security/2012/10/12/6
- http://www.openwall.com/lists/oss-security/2012/10/13/1
- http://www.openwall.com/lists/oss-security/2012/10/16/1
- http://www.ruby-lang.org/en/news/2012/10/12/poisoned-NUL-byte-vulnerability/
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090235.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090515.html
- http://rhn.redhat.com/errata/RHSA-2013-0129.html
- http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37163
- http://www.openwall.com/lists/oss-security/2012/10/12/6
- http://www.openwall.com/lists/oss-security/2012/10/13/1
- http://www.openwall.com/lists/oss-security/2012/10/16/1
- http://www.ruby-lang.org/en/news/2012/10/12/poisoned-NUL-byte-vulnerability/