Overview
- Description
- An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "arg_types" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.
- Source
- cret@cert.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
CVSS 2.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 6.4
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
- nvd@nist.gov
- CWE-119
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ruby-lang:ruby:2.2.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5FCCD8F3-E667-42F2-9861-14EDFB16583A"
},
{
"criteria": "cpe:2.3:a:ruby-lang:ruby:2.3.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "822307DD-7F7D-44C2-9C4B-CB8704663410"
}
],
"operator": "OR"
}
]
}
]