PunBB Password Reset Weak Random Number Security Bypass Vulnerability

BID:27908

Info

PunBB Password Reset Weak Random Number Security Bypass Vulnerability

Bugtraq ID: 27908
Class: Design Error
CVE: CVE-2008-1484
Remote: Yes
Local: No
Published: Feb 20 2008 12:00AM
Updated: May 07 2015 05:32PM
Credit: Stefan Esser is credited with discovering this vulnerability.
Vulnerable: PunBB PunBB 1.2.16
PunBB PunBB 1.2.15
PunBB PunBB 1.2.14
PunBB PunBB 1.2.13
PunBB PunBB 1.2.12
PunBB PunBB 1.2.11
PunBB PunBB 1.2.10
PunBB PunBB 1.2.9
PunBB PunBB 1.2.8
PunBB PunBB 1.2.7
PunBB PunBB 1.2.6
PunBB PunBB 1.2.5
PunBB PunBB 1.2.4
PunBB PunBB 1.2.3
PunBB PunBB 1.2.2
PunBB PunBB 1.2.1
PunBB PunBB 1.1.5
PunBB PunBB 1.1.4
PunBB PunBB 1.1.3
PunBB PunBB 1.1.2
PunBB PunBB 1.1.1
PunBB PunBB 1.1
PunBB PunBB 1.0.1
PunBB PunBB 1.0 RC2
PunBB PunBB 1.0 RC1
PunBB PunBB 1.0 _beta3
PunBB PunBB 1.0 _beta2
PunBB PunBB 1.0 _beta1
PunBB PunBB 1.0 _alpha
PunBB PunBB 1.0
Not Vulnerable: PunBB PunBB 1.2.17

Discussion

PunBB Password Reset Weak Random Number Security Bypass Vulnerability

PunBB is prone to a vulnerability that can allow an attacker to determine the password of an arbitrary user because of a design error in its 'Reset Password' functionality.

Attackers can exploit this issue to guess the random password generated by the 'Reset Password' feature for arbitrary users and then compromise vulnerable applications. This may aid in further attacks.

This issue affects PunBB prior to 1.2.17.

Exploit / POC

PunBB Password Reset Weak Random Number Security Bypass Vulnerability

An attacker can use a browser to exploit this issue.

The following proof-of-concept exploit is available:

Solution / Fix

PunBB Password Reset Weak Random Number Security Bypass Vulnerability

Solution:
The vendor released PunBB 1.2.17 to address this issue. Please see the references for more information.


PunBB PunBB 1.0 RC1

PunBB PunBB 1.0

PunBB PunBB 1.0 _beta2

PunBB PunBB 1.0 RC2

PunBB PunBB 1.0 _beta3

PunBB PunBB 1.0 _alpha

PunBB PunBB 1.0 _beta1

PunBB PunBB 1.0.1

PunBB PunBB 1.1

PunBB PunBB 1.1.1

PunBB PunBB 1.1.2

PunBB PunBB 1.1.3

PunBB PunBB 1.1.4

PunBB PunBB 1.1.5

PunBB PunBB 1.2.1

PunBB PunBB 1.2.10

PunBB PunBB 1.2.11

PunBB PunBB 1.2.12

PunBB PunBB 1.2.13

PunBB PunBB 1.2.14

PunBB PunBB 1.2.15

PunBB PunBB 1.2.16

PunBB PunBB 1.2.2

PunBB PunBB 1.2.3

PunBB PunBB 1.2.4

PunBB PunBB 1.2.5

PunBB PunBB 1.2.6

PunBB PunBB 1.2.7

PunBB PunBB 1.2.8

PunBB PunBB 1.2.9

References

PunBB Password Reset Weak Random Number Security Bypass Vulnerability

References:

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