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MitreCVE-2008-2108

HistoryMay 07, 2008 - 9:20 p.m.

CVE-2008-2108

2008-05-0721:20:00

CWE-331

mitre

web.nvd.nist.gov

cve-2008-2108

php

64-bit systems

entropy

brute force

rand function

mt_rand function

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.4

Confidence

High

EPSS

0.004

Percentile

72.2%

JSON

The GENERATE_SEED macro in PHP 4.x before 4.4.8 and 5.x before 5.2.5, when running on 64-bit systems, performs a multiplication that generates a portion of zero bits during conversion due to insufficient precision, which produces 24 bits of entropy and simplifies brute force attacks against protection mechanisms that use the rand and mt_rand functions.

Affected configurations

Nvd

Node

phpphpRange4.0.0–4.4.8

phpphpRange5.0.0–5.2.5

Node

fedoraprojectfedoraMatch8

fedoraprojectfedoraMatch9

Node

canonicalubuntu_linuxMatch6.06

canonicalubuntu_linuxMatch7.04

canonicalubuntu_linuxMatch7.10

canonicalubuntu_linuxMatch8.04-

Node

debiandebian_linuxMatch4.0

VendorProductVersionCPE
phpphp*cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
fedoraprojectfedora8cpe:2.3:o:fedoraproject:fedora:8:*:*:*:*:*:*:*
fedoraprojectfedora9cpe:2.3:o:fedoraproject:fedora:9:*:*:*:*:*:*:*
canonicalubuntu_linux6.06cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*
canonicalubuntu_linux7.04cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:*
canonicalubuntu_linux7.10cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:*
canonicalubuntu_linux8.04cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*
debiandebian_linux4.0cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
php	php	*	cpe:2.3:a:php:php::::::::
fedoraproject	fedora	8	cpe:2.3:o:fedoraproject:fedora:8:::::::*
fedoraproject	fedora	9	cpe:2.3:o:fedoraproject:fedora:9:::::::*
canonical	ubuntu_linux	6.06	cpe:2.3:o:canonical:ubuntu_linux:6.06:::::::*
canonical	ubuntu_linux	7.04	cpe:2.3:o:canonical:ubuntu_linux:7.04:::::::*
canonical	ubuntu_linux	7.10	cpe:2.3:o:canonical:ubuntu_linux:7.10:::::::*
canonical	ubuntu_linux	8.04	cpe:2.3:o:canonical:ubuntu_linux:8.04::::-:::
debian	debian_linux	4.0	cpe:2.3:o:debian:debian_linux:4.0:::::::*