Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for attackers to guess the pseudo-random values produced by PHP's mt_rand function, as demonstrated by guessing password reset tokens, a different vulnerability than CVE-2008-3681
Published Sep 18, 2008
7.5
HIGHCVSS 2.0
EPSS 2.38%
Description
Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for attackers to guess the pseudo-random values produced by PHP's mt_rand function, as demonstrated by guessing password reset tokens, a different vulnerability than CVE-2008-3681.
Affected products
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.38% (0.02377) | 83.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.38% (0.02377) | 81.62th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00041) | 9.69th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.53% (0.01528) | 87.58th | v3 (v2023.03.01) |
| Apr 9, 2024 | 1.11% (0.01110) | 84.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.11% (0.01110) | 82.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (10)
- http://developer.joomla.org/security/news/272-20080902-core-random-number-generation-flaw.html x_refsource_CONFIRM
- http://marc.info/?l=oss-security&m=122115344915232&w=2 mailing-listx_refsource_MLIST
- http://marc.info/?l=oss-security&m=122118210029084&w=2 mailing-listx_refsource_MLIST
- http://marc.info/?l=oss-security&m=122152798516853&w=2 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/31789 third-party-advisoryx_refsource_SECUNIA
- http://securityreason.com/securityalert/4271 third-party-advisoryx_refsource_SREASON
- http://www.securityfocus.com/archive/1/496237/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.sektioneins.de/advisories/SE-2008-04.txt x_refsource_MISC
- http://www.suspekt.org/2008/08/17/mt_srand-and-not-so-random-numbers/ x_refsource_MISC
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45068 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://developer.joomla.org/security/news/272-20080902-core-random-number-generation-flaw.html | x_refsource_CONFIRM | |
| http://marc.info/?l=oss-security&m=122115344915232&w=2 | mailing-listx_refsource_MLIST | |
| http://marc.info/?l=oss-security&m=122118210029084&w=2 | mailing-listx_refsource_MLIST | |
| http://marc.info/?l=oss-security&m=122152798516853&w=2 | mailing-listx_refsource_MLIST | |
| http://secunia.com/advisories/31789 | third-party-advisoryx_refsource_SECUNIA | |
| http://securityreason.com/securityalert/4271 | third-party-advisoryx_refsource_SREASON | |
| http://www.securityfocus.com/archive/1/496237/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.sektioneins.de/advisories/SE-2008-04.txt | x_refsource_MISC | |
| http://www.suspekt.org/2008/08/17/mt_srand-and-not-so-random-numbers/ | x_refsource_MISC | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/45068 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.