CVE-2010-4626

Description

The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not properly use the PHP mt_rand function, which makes it easier for remote attackers to obtain access to an arbitrary account by requesting a reset of the account's password, and then conducting a brute-force attack.

Category

5.1
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.33% Top 25%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://dev.mybboard.net/issues/843
http://blog.mybb.com/2010/04/13/mybb-1-4-12-released-security-maintenance-update/
http://openwall.com/lists/oss-security/2010/10/08/7 mailing list
https://exchange.xforce.ibmcloud.com/vulnerabilities/64516 vdb entry
http://dev.mybboard.net/projects/mybb/repository/revisions/4872
http://openwall.com/lists/oss-security/2010/10/11/8 mailing list
http://openwall.com/lists/oss-security/2010/12/06/2 mailing list

Frequently Asked Questions

What is the severity of CVE-2010-4626?
CVE-2010-4626 has been scored as a medium severity vulnerability.
How to fix CVE-2010-4626?
To fix CVE-2010-4626, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-4626 being actively exploited in the wild?
It is possible that CVE-2010-4626 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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