CVE-2010-1128
MEDIUM severity · CVSS 6.4 · CWE-310
6.4CVSS MEDIUM
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impactNone
Exploit probability (EPSS)8%
AV:N/AC:L/Au:N/C:P/I:P/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://www.vupen.com/english/advisories/2010/0479 ↗
Additional information
- NVD record
- http://www.vupen.com/english/advisories/2010/0479Patch
- http://secunia.com/advisories/38708Advisory
- http://www.php.net/releases/5_2_13.phpAdvisory
- http://secunia.com/advisories/42410
- http://www.php.net/ChangeLog-5.php
- http://www.redhat.com/support/errata/RHSA-2010-0919.html
- http://www.vupen.com/english/advisories/2010/3081
- http://www.securityfocus.com/bid/38430Exploit