CVE-2010-1128 EXPLOIT
6.4
MEDIUM · CVSS 2.0 · EPSS 8.1% (pctl 95)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 6.4 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:N |
| EPSS | 8.09% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-310 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2010-03-26 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| php | php |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | PHP 5.3.1 - LCG Entropy Security | 2010-02-26 |
References
- http://secunia.com/advisories/38708
- http://secunia.com/advisories/42410
- http://www.php.net/ChangeLog-5.php
- http://www.php.net/releases/5_2_13.php
- http://www.redhat.com/support/errata/RHSA-2010-0919.html
- http://www.securityfocus.com/bid/38430
- http://www.vupen.com/english/advisories/2010/0479
- http://www.vupen.com/english/advisories/2010/3081
- http://secunia.com/advisories/38708
- http://secunia.com/advisories/42410
- http://www.php.net/ChangeLog-5.php
- http://www.php.net/releases/5_2_13.php
- http://www.redhat.com/support/errata/RHSA-2010-0919.html
- http://www.securityfocus.com/bid/38430
- http://www.vupen.com/english/advisories/2010/0479
- http://www.vupen.com/english/advisories/2010/3081
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