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centosCentOS ProjectCESA-2005:406
HistoryMay 04, 2005 - 5:39 p.m.

php security update

2005-05-0417:39:54
CentOS Project
lists.centos.org
50

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.108 Low

EPSS

Percentile

95.0%

CentOS Errata and Security Advisory CESA-2005:406

PHP is an HTML-embedded scripting language commonly used with the Apache
HTTP Web server.

A bug was found in the way PHP processes IFF and JPEG images. It is
possible to cause PHP to consume CPU resources for a short period of time
by supplying a carefully crafted IFF or JPEG image. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the
names CAN-2005-0524 and CAN-2005-0525 to these issues.

A buffer overflow bug was also found in the way PHP processes EXIF image
headers. It is possible for an attacker to construct an image file in such
a way it could execute arbitrary instructions when processed by PHP. The
Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned
the name CAN-2005-1042 to this issue.

A denial of service bug was found in the way PHP processes EXIF image
headers. It is possible for an attacker to cause PHP to enter an infinite
loop for a short period of time by supplying a carefully crafted image file
to PHP for processing. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CAN-2005-1043 to this issue.

Several bug fixes are also included in this update:

  • some performance issues in the unserialize() function have been fixed

  • the behaviour of the interpreter when handling integer overflow during
    conversion of a floating variable to an integer has been reverted to match
    the behaviour used upstream; the integer will now be wrapped rather than
    truncated

  • a fix for the virtual() function in the Apache httpd module which would
    flush the response prematurely

  • the hard-coded default “safe mode” setting is now “disabled” rather than
    “enabled”; to match the default /etc/php.ini setting

  • in the curl extension, safe mode was not enforced for ‘file:///’ URL
    lookups (CAN-2004-1392).

Users of PHP should upgrade to these updated packages, which contain
backported fixes for these issues.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2005-May/073791.html
https://lists.centos.org/pipermail/centos-announce/2005-May/073795.html

Affected packages:
php
php-devel
php-domxml
php-gd
php-imap
php-ldap
php-mbstring
php-mysql
php-ncurses
php-odbc
php-pear
php-pgsql
php-snmp
php-xmlrpc

Upstream details at:
https://access.redhat.com/errata/RHSA-2005:406

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.108 Low

EPSS

Percentile

95.0%

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