CVE-2013-0263

rubygem-rack: Timing attack in cookie sessions

Published Feb 8, 2013 CVSS 2.0 · 5.1 Medium EPSS 5.4% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DSA Debian DSA DSA-2783-1 librack-ruby security update
Debian DSA Debian DSA DSA-2783-2 librack-ruby regression update
EUVD EUVD EUVD-2022-5763 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.
Github GHSA Github GHSA GHSA-xc85-32mf-xpv8 Rack arbitrary code execution via timing attack
History
Type Values Removed Values Added
Metrics epss

{'score': 0.07962}

epss

{'score': 0.05283}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 2:18 PM
Reserved
Dec 6, 2012, 12:00 AM
Status
Modified
Published
Feb 8, 2013, 8:55 PM
Modified
Jun 16, 2026, 11:49 PM
Severity
Moderate
Public date
Feb 8, 2013, 12:00 AM