Strix
26.1K

CVE-2013-0263

UnknownEPSS 5.28%

Last modified

CVE-2013-0263 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 5.28% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
5.28%

91.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
Rack ProjectRack1.5.0
Rack ProjectRack1.5.1
Rack ProjectRack1.4.0
Rack ProjectRack1.4.1
Rack ProjectRack1.4.2
Rack ProjectRack1.4.3
Rack ProjectRack1.4.4
Rack ProjectRack1.3.0
Rack ProjectRack1.3.1
Rack ProjectRack1.3.2
Rack ProjectRack1.3.3
Rack ProjectRack1.3.4
Rack ProjectRack1.3.5
Rack ProjectRack1.3.6
Rack ProjectRack1.3.7
Rack ProjectRack1.3.8
Rack ProjectRack1.3.9
Rack ProjectRack1.2.0
Rack ProjectRack1.2.1
Rack ProjectRack1.2.2
Rack ProjectRack1.2.3
Rack ProjectRack1.2.4
Rack ProjectRack1.2.6
Rack ProjectRack1.2.7
Rack ProjectRack1.1.0
Rack ProjectRack1.1.4
Rack ProjectRack1.1.5
Rack ProjectRack1.1.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-0263?
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.
How severe is CVE-2013-0263?
Severity scoring for CVE-2013-0263 is pending analysis. The EPSS model estimates a 5.28% probability of exploitation in the next 30 days.
How do I fix CVE-2013-0263?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-0263?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST