CVE-2010-1128

Name: CVE-2010-1128
Creator: NVD / NIST
Published: 2010-03-26T20:30:00.877+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 7.87%

Last modified Jun 16, 2026

CVE-2010-1128 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 7.87% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

7.87%

94.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-310

Affected Software

Vendor	Product	Versions
Php	Php	<= 5.2.12
Php	Php	5.2.0
Php	Php	5.2.1
Php	Php	5.2.2
Php	Php	5.2.3
Php	Php	5.2.4
Php	Php	5.2.5
Php	Php	5.2.6
Php	Php	5.2.7
Php	Php	5.2.8
Php	Php	5.2.9
Php	Php	5.2.10
Php	Php	5.2.11

References

http://secunia.com/advisories/38708Vendor Advisory
http://secunia.com/advisories/42410
http://www.php.net/ChangeLog-5.php
http://www.php.net/releases/5_2_13.phpVendor Advisory
http://www.redhat.com/support/errata/RHSA-2010-0919.html
http://www.securityfocus.com/bid/38430Exploit
http://www.vupen.com/english/advisories/2010/0479Patch, Vendor Advisory
http://www.vupen.com/english/advisories/2010/3081
http://secunia.com/advisories/38708Vendor Advisory
http://secunia.com/advisories/42410
http://www.php.net/ChangeLog-5.php
http://www.php.net/releases/5_2_13.phpVendor Advisory
http://www.redhat.com/support/errata/RHSA-2010-0919.html
http://www.securityfocus.com/bid/38430Exploit
http://www.vupen.com/english/advisories/2010/0479Patch, Vendor Advisory
http://www.vupen.com/english/advisories/2010/3081

Timeline

Published: Mar 26, 2010
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2010-1128?

How severe is CVE-2010-1128?

Severity scoring for CVE-2010-1128 is pending analysis. The EPSS model estimates a 7.87% probability of exploitation in the next 30 days.

How do I fix CVE-2010-1128?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2010-1128?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST