CVE-2013-0156

active_support/core_ext/hash/conversions.rb in Ruby on Rails before 2.3.15, 3.0.x before 3.0.19, 3.1.x before 3.1.10, and 3.2.x before 3.2.11 does not properly restrict casts of string values, which allows remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) involving nested XML entity references, by leveraging Action Pack support for (1) YAML type conversion or (2) Symbol type conversion.

CVSS v2.0

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

99.45% chance of exploitation in the next 30 days, 100th percentile

Published

2013-01-13

Updated

2024-08-06

Proof-of-concept exploits (4)

• R3dKn33-zz/CVE-2013-01560★ · 2019-05-27
• bsodmike/rails-exploit-cve-2013-01565★ · 2013-01-13
• heroku/heroku-CVE-2013-01561★ · 2026-06-03
• oxben10/CVE-2013-0156

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/rails_xml_yaml_code_e…

ExploitDB entries (2)

• https://www.exploit-db.com/exploits/27527
• https://www.exploit-db.com/exploits/24019

References

• CVE Record
• NVD entry

Related

• CVE-2013-0269
• CVE-2013-0333
• CVE-2013-0145
• CVE-2013-0160
• CVE-2013-0143
• CVE-2013-0161