Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2008-3657

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
13/08/2008
Last modified:
09/04/2025

Description

The dl module in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 does not check "taintness" of inputs, which allows context-dependent attackers to bypass safe levels and execute dangerous functions by accessing a library using DL.dlopen.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 1.8.5 (including)
cpe:2.3:a:ruby-lang:ruby:1.6.8:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.0:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.1:-9:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.2:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.2:preview2:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.2:preview3:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.2:preview4:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.3:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.3:preview1:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.3:preview2:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.3:preview3:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.4:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.4:preview1:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools