CVE-2008-4107

CVE-2008-4107 is a medium-severity vulnerability in Php with a CVSS 2.0 base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.1)
• EPSS exploit prediction: 3% (86th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Php
• Published: 2008-09-18
• Last modified: 2026-06-16

Description

The (1) rand and (2) mt_rand functions in PHP 5.2.6 do not produce cryptographically strong random numbers, which allows attackers to leverage exposures in products that rely on these functions for security-relevant functionality, as demonstrated by the password-reset functionality in Joomla! 1.5.x and WordPress before 2.6.2, a different vulnerability than CVE-2008-2107, CVE-2008-2108, and CVE-2008-4102.

Frequently asked questions

What is CVE-2008-4107?

The (1) rand and (2) mt_rand functions in PHP 5.2.6 do not produce cryptographically strong random numbers, which allows attackers to leverage exposures in products that rely on these functions for security-relevant functionality, as demonstrated by the password-reset functionality in Joomla! 1.5.x and WordPress before 2.6.2, a different vulnerability than CVE-2008-2107, CVE-2008-2108, and CVE-2008-4102.

How severe is CVE-2008-4107?

CVE-2008-4107 has a CVSS 2.0 base score of 5.1, rated medium severity.

Is CVE-2008-4107 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4107?

CVE-2008-4107 primarily affects Php. In total, 63 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4107?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-4107 published?

CVE-2008-4107 was published on 2008-09-18 and last updated on 2026-06-16.

References

• http://marc.info/?l=oss-security&m=122152830017099&w=2
• http://osvdb.org/48700
• http://secunia.com/advisories/31737
• http://secunia.com/advisories/31870
• http://securityreason.com/securityalert/4271
• http://securitytracker.com/id?1020869
• http://wordpress.org/development/2008/09/wordpress-262/
• http://www.openwall.com/lists/oss-security/2008/09/11/6
• http://www.securityfocus.com/archive/1/496237/100/0/threaded
• http://www.securityfocus.com/archive/1/496287/100/0/threaded
• http://www.securityfocus.com/bid/31115
• http://www.sektioneins.de/advisories/SE-2008-02.txt
• http://www.sektioneins.de/advisories/SE-2008-04.txt
• http://www.sektioneins.de/advisories/SE-2008-05.txt
• http://www.suspekt.org/2008/08/17/mt_srand-and-not-so-random-numbers/
• http://www.vupen.com/english/advisories/2008/2553
• https://exchange.xforce.ibmcloud.com/vulnerabilities/45956
• https://www.redhat.com/archives/fedora-package-announce/2008-September/msg00607.html
• https://www.redhat.com/archives/fedora-package-announce/2008-September/msg00629.html

Affected products (63)

• cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.1:patch1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.1:patch2:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.3:patch1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.4:patch1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.7:rc2:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.7:rc3:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.7:rc4:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.2:*:dev:*:*:*:*:*
• cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.5:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.6:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.7:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.8:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.9:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.10:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.11:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.4.1:*:*:*:*:*:*:*

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All CVEs affecting Php →

Other CWE-189 (Numeric Errors) vulnerabilities

• CVE-2015-8396 — Critical (CVSS 10.0): Integer overflow in the ImageRegionReader::ReadIntoBuffer function in…
• CVE-2015-7205 — Critical (CVSS 10.0): Integer underflow in the RTPReceiverVideo::ParseRtpPacket function in Mozilla Firefox before 43.0 and Firefox ESR 38.x…
• CVE-2015-6575 — Critical (CVSS 10.0): SampleTable.cpp in libstagefright in Android before 5.1.1 LMY48I does not properly consider integer promotion, which…
• CVE-2015-3864 — Critical (CVSS 10.0): Integer underflow in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in mediaserver in…
• CVE-2015-3836 — Critical (CVSS 10.0): The Parse_wave function in arm-wt-22k/lib_src/eas_mdls.c in the Sonivox DLS-to-EAS converter in Android before 5.1.1…
• CVE-2015-3834 — Critical (CVSS 10.0): Multiple integer overflows in the BnHDCP::onTransact function in media/libmedia/IHDCP.cpp in libstagefright in Android…

Browse all CWE-189 (Numeric Errors) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

• 222.99.52.202 (ipv4-addr)
• 90.160.135.217 (ipv4-addr)
• 62.36.19.42 (ipv4-addr)
• 62.36.19.41 (ipv4-addr)