CVE-2013-0156
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Rails
PublishedJan 13, 2013
First seenJan 13, 2013
How to fix
Update
- rubyonrails rails3.2.11 or later
- rubyonrails ruby_on_rails2.3.15, 3.0.19, 3.1.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rubyonrails rails | 3.2.0 ≤ v < 3.2.11 | 3.2.11 |
| rubyonrails ruby_on_rails | v < 2.3.15, 3.0.0 ≤ v < 3.0.19, 3.1.0 ≤ v < 3.1.10 | 2.3.15, 3.0.19, 3.1.10 |
| debian debian_linux | 6.0, 7.0 | — |
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