Vulnerability Details : CVE-2011-2705

The SecureRandom.random_bytes function in lib/securerandom.rb in Ruby before 1.8.7-p352 and 1.9.x before 1.9.2-p290 relies on PID values for initialization, which makes it easier for context-dependent attackers to predict the result string by leveraging knowledge of random strings obtained in an earlier process with the same PID.
Published 2011-08-05 21:55:05
Updated 2012-01-19 03:58:35
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Input validation

Threat overview for CVE-2011-2705

Top countries where our scanners detected CVE-2011-2705
Top open port discovered on systems with this issue 443
IPs affected by CVE-2011-2705 1,843
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-2705!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-2705

EPSS FAQ
0.52%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-2705

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
 NIST

CWE ids for CVE-2011-2705

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-2705

Products affected by CVE-2011-2705

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