Vulnerability Name:

CCN-39398

Published:2008-01-04
Updated:2008-01-04
Summary:PHP could allow a remote attacker to bypass security restrictions, caused by an integer overflow error in the chunk_split() function. An attacker could exploit this vulnerability to bypass open_basedir or safe_mode restrictions and gain unauthorized access to the system.
CVSS v3 Severity:7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
5.5 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Consequences:Bypass Security
References:Source: CCN
Type: SA28318
PHP Multiple Vulnerabilities

Source: CCN
Type: PHP Web site
PHP 4.4.8 Release Announcement

Source: XF
Type: UNKNOWN
php-chunksplit-security-bypass(39398)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:php:php:4.0.5:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.2.0:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.2.1:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.2.3:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.2.2:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.0:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.4:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.9:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.10:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.11:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.0:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.2:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.3:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.3:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.6:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.5:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.7:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:beta1:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.1:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.3:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.4:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.6:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0.7:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:beta_4_patch1:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:beta1:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:beta2:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:beta3:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:beta4:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.1.0:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.1:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.2:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.5:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.6:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.7:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.3.8:*:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.1:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.4.4:-:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:php:php:4.0:rc2:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    php php 4.0.5
    php php 4.1.1
    php php 4.2.0
    php php 4.2.1
    php php 4.2.3
    php php 4.2.2
    php php 4.3.0
    php php 4.3.4
    php php 4.3.9
    php php 4.3.10
    php php 4.3.11
    php php 4.4.0
    php php 4.4.2
    php php 4.3.3
    php php 4.4.3
    php php 4.4.6
    php php 4.4.5
    php php 4.4.7
    php php 4.0 beta1
    php php 4.0.1
    php php 4.0.2
    php php 4.0.3
    php php 4.0.4
    php php 4.0.6
    php php 4.0.7
    php php 4.0 beta_4_patch1
    php php 4.0 beta1
    php php 4.0 beta2
    php php 4.0 beta3
    php php 4.0 beta4
    php php 4.1.0
    php php 4.1.2
    php php 4.3.1
    php php 4.3.2
    php php 4.3.5
    php php 4.3.6
    php php 4.3.7
    php php 4.3.8
    php php 4.4.1
    php php 4.4.4
    php php 4.0 rc1
    php php 4.0 rc2