CVE-2010-1128
The Linear Congruential Generator (LCG) in PHP before 5.2.13 does not provide the expected entropy, which makes it easier for context-dependent attackers to...
- Published
- Mar 26, 2010
- Updated
- Aug 7, 2024
- Assigning CNA
- mitre
- Evidence observed
- Feb 26, 2010
Primary CVSS
nvd · CVSS 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:NLow · next 30 days
- Percentile
- 94.6%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
The Linear Congruential Generator (LCG) in PHP before 5.2.13 does not provide the expected entropy, which makes it easier for context-dependent attackers to guess values that were intended to be unpredictable, as demonstrated by session cookies generated by using the uniqid function.
Sources
1Rasmus · php · Feb 26, 2010
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