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

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CVE-2008-3443

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
14/08/2008
Last modified:
09/04/2025

Description

The regular expression engine (regex.c) 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 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.

Impact

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

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
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:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.4:preview2:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools