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

This script is Copyright (C) 2005-2014 Tenable Network Security, Inc.

Synopsis :

The remote Mandrake Linux host is missing one or more security

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

Solution :

Update the affected packages.

Risk factor :

Critical / CVSS Base Score : 10.0

Family: Mandriva Local Security Checks

Nessus Plugin ID: 18091 (mandrake_MDKSA-2005-072.nasl)

Bugtraq ID:

CVE ID: CVE-2004-1018

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