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Mandrake Linux Security Advisory : php (MDKSA-2005:072)

critical Nessus Plugin ID 18091

Synopsis

The remote Mandrake Linux host is missing one or more security updates.

Description

A number of vulnerabilities are addressed in this PHP update :

Stefano Di Paolo discovered integer overflows in PHP's pack(), unpack(), and shmop_write() functions which could allow a malicious script to break out of safe mode and execute arbitrary code with privileges of the PHP interpreter (CVE-2004-1018; this was previously fixed in Mandrakelinux >= 10.0 in MDKSA-2004:151).

Stefan Esser discovered two safe mode bypasses which would allow malicious scripts to circumvent path restrictions by using virtual_popen() with a current directory containing shell meta- characters (CVE-2004-1063) or by creating a specially crafted directory whose length exceeded the capacity of realpath() (CVE-2004-1064; both of these were previously fixed in Mandrakelinux >= 10.0 in MDKSA-2004:151).

Two Denial of Service vulnerabilities were found in the getimagesize() function which uses the format-specific internal functions php_handle_iff() and php_handle_jpeg() which would get stuck in infinite loops when certain (invalid) size parameters are read from the image (CVE-2005-0524 and CVE-2005-0525).

An integer overflow was discovered in the exif_process_IFD_TAG() function in PHP's EXIF module. EXIF tags with a specially crafted 'Image File Directory' (IFD) tag would cause a buffer overflow which could be exploited to execute arbitrary code with the privileges of the PHP server (CVE-2005-1042).

Another vulnerability in the EXIF module was also discovered where headers with a large IFD nesting level would cause an unbound recursion which would eventually overflow the stack and cause the executed program to crash (CVE-2004-1043).

All of these issues are addressed in the Corporate Server 2.1 packages and the last three issues for all other platforms, which had previously included the first two issues but had not been mentioned in MDKSA-2004:151.

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 18091

File Name: mandrake_MDKSA-2005-072.nasl

Version: 1.21

Type: local

Published: 4/19/2005

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.8

CVSS v2

Risk Factor: Critical

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: p-cpe:/a:mandriva:linux:lib64php_common432, p-cpe:/a:mandriva:linux:libphp_common432, p-cpe:/a:mandriva:linux:php-cgi, p-cpe:/a:mandriva:linux:php-cli, p-cpe:/a:mandriva:linux:php432-devel, cpe:/o:mandrakesoft:mandrake_linux:10.0, cpe:/o:mandrakesoft:mandrake_linux:10.1, x-cpe:/o:mandrakesoft:mandrake_linux:le2005

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/Mandrake/release, Host/Mandrake/rpm-list

Patch Publication Date: 4/18/2005

Reference Information

CVE: CVE-2004-1018, CVE-2004-1063, CVE-2004-1064, CVE-2005-0524, CVE-2005-0525, CVE-2005-1042, CVE-2005-1043

MDKSA: 2005:072