CVE-2013-0263

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Summary

CVECVE-2013-0263
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-02-08 20:55:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionRack::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.

Risk And Classification

Primary CVSS: v2.0 5.1 from [email protected]

AV:N/AC:H/Au:N/C:P/I:P/A:P

Problem Types: NVD-CWE-noinfo | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
High
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:H/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Rack Project Rack 1.1.0 All All All
Application Rack Project Rack 1.1.4 All All All
Application Rack Project Rack 1.1.5 All All All
Application Rack Project Rack 1.1.6 All All All
Application Rack Project Rack 1.2.0 All All All
Application Rack Project Rack 1.2.1 All All All
Application Rack Project Rack 1.2.2 All All All
Application Rack Project Rack 1.2.3 All All All
Application Rack Project Rack 1.2.4 All All All
Application Rack Project Rack 1.2.6 All All All
Application Rack Project Rack 1.2.7 All All All
Application Rack Project Rack 1.3.0 All All All
Application Rack Project Rack 1.3.1 All All All
Application Rack Project Rack 1.3.2 All All All
Application Rack Project Rack 1.3.3 All All All
Application Rack Project Rack 1.3.4 All All All
Application Rack Project Rack 1.3.5 All All All
Application Rack Project Rack 1.3.6 All All All
Application Rack Project Rack 1.3.7 All All All
Application Rack Project Rack 1.3.8 All All All
Application Rack Project Rack 1.3.9 All All All
Application Rack Project Rack 1.4.0 All All All
Application Rack Project Rack 1.4.1 All All All
Application Rack Project Rack 1.4.2 All All All
Application Rack Project Rack 1.4.3 All All All
Application Rack Project Rack 1.4.4 All All All
Application Rack Project Rack 1.5.0 All All All
Application Rack Project Rack 1.5.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Omelas County Chamber of Commerce na Twitterze: "Rack just released a fix for CVE-2013-0263, a timing attack vulnerability I reported to them TWO AND A HALF YEARS AGO BACK WHEN IT WAS COOL." af854a3a-2127-422b-91ae-364da2661108 twitter.com
Redirecting to Google Groups af854a3a-2127-422b-91ae-364da2661108 groups.google.com
Redirecting to Google Groups af854a3a-2127-422b-91ae-364da2661108 groups.google.com
Security Advisory SA52774 - Red Hat update for Red Hat Subscription Asset Manager - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
openSUSE-SU-2013:0462-1: moderate: RubyOnRails: security version update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Security Advisory SA52033 - Rack Insecure File Access Security Issue - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Use secure_compare for hmac comparison · rack/rack@0cd7e9a · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
gist:f9f3781f7b54985bee94 · GitHub af854a3a-2127-422b-91ae-364da2661108 gist.github.com
Redirecting to Google Groups af854a3a-2127-422b-91ae-364da2661108 groups.google.com
Debian -- Security Information -- DSA-2783-1 librack-ruby af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Redirecting to Google Groups af854a3a-2127-422b-91ae-364da2661108 groups.google.com
Add secure_compare to Rack::Utils · rack/rack@9a81b96 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
Security Advisory SA52134 - Rack "Rack::Session::Cookie" Information Disclosure Security Issue - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
www.osvdb.org/89939 af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org
Google Groups af854a3a-2127-422b-91ae-364da2661108 groups.google.com
Rack: a Ruby Webserver Interface af854a3a-2127-422b-91ae-364da2661108 rack.github.com Vendor Advisory
909071 – (CVE-2013-0263) CVE-2013-0263 rubygem-rack: Timing attack in cookie sessions af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
CVE-2013-0263 | Puppet af854a3a-2127-422b-91ae-364da2661108 puppet.com
Google Groups MITRE groups.google.com
Google Groups MITRE groups.google.com
Google Groups MITRE groups.google.com
Google Groups MITRE groups.google.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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