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

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CVE-2013-0263

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
08/02/2013
Last modified:
11/04/2025

Description

Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involving an HMAC comparison function that does not run in constant time.

Impact

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

Base Score: 5.10 MEDIUM
Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P

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

Base Score 2.0
5.10
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:rack_project:rack:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.4.4:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.4:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.5:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.6:*:*:*:*:*:*:*
cpe:2.3:a:rack_project:rack:1.3.7:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools