Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.


Published

2013-01-13T22:55:00.947

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-20

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application rubyonrails rails < 3.2.11 Yes
Application rubyonrails ruby_on_rails < 2.3.15 Yes
Application rubyonrails ruby_on_rails < 3.0.19 Yes
Application rubyonrails ruby_on_rails < 3.1.10 Yes
Operating System debian debian_linux 6.0 Yes
Operating System debian debian_linux 7.0 Yes

References