The Linear Congruential Generator (LCG) in PHP before 5.2.13 does...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.vupen.com/english/advisories/2010/0479
- http://www.php.net/releases/5_2_13.php
- http://www.redhat.com/support/errata/RHSA-2010-0919.html
- http://www.php.net/ChangeLog-5.php
- http://secunia.com/advisories/38708
- http://www.securityfocus.com/bid/38430
- http://secunia.com/advisories/42410
- http://www.vupen.com/english/advisories/2010/3081
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Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.