01 Record
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
UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.24% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 82.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-08-05 21:00Z15 YR AGO
- Last updated
- 2024-08-06 23:08Z2 YR AGO
- Reserved
- 2011-07-11
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- 0fc5eac824b5f7a942be05efaa9a5e2c850b732f4992761c856d333e13047c8a
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.openwall.com[oss-security] 20110712 Re: CVE Request: ruby PRNG fixeshttp://www.openwall.com/lists/oss-security/2011/07/12/14
- www.ruby-lang.orghttp://www.ruby-lang.org/en/news/2011/07/02/ruby-1-8-7-p352-released/
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=722415
- www.openwall.com[oss-security] 20110720 Re: CVE Request: ruby PRNG fixeshttp://www.openwall.com/lists/oss-security/2011/07/20/16
- www.redhat.comRHSA-2011:1581http://www.redhat.com/support/errata/RHSA-2011-1581.html
- www.ruby-lang.orghttp://www.ruby-lang.org/en/news/2011/07/15/ruby-1-9-2-p290-is-released/
- svn.ruby-lang.orghttp://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=32050
- svn.ruby-lang.orghttp://svn.ruby-lang.org/repos/ruby/tags/v1_8_7_352/ChangeLog
- lists.fedoraproject.orgFEDORA-2011-9374http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063062.html
- svn.ruby-lang.orghttp://svn.ruby-lang.org/repos/ruby/tags/v1_9_2_290/ChangeLog
- www.openwall.com[oss-security] 20110720 Re: CVE Request: ruby PRNG fixeshttp://www.openwall.com/lists/oss-security/2011/07/20/1
- redmine.ruby-lang.orghttp://redmine.ruby-lang.org/issues/4579
- www.openwall.com[oss-security] 20110711 CVE Request: ruby PRNG fixeshttp://www.openwall.com/lists/oss-security/2011/07/11/1
- www.securityfocus.com49015http://www.securityfocus.com/bid/49015
- lists.fedoraproject.orgFEDORA-2011-9359http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063071.html