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source: php4
date: May 28th, 2007
author: Stefan Fritsch
vuln-type: several vulnerabilities
problem-scope: remote
debian-specifc: no
cve: CVE-2007-1286 CVE-2007-1380 CVE-2007-1521 CVE-2007-1583 CVE-2007-1718 CVE-2007-1777 CVE-2007-2509
vendor-advisory:
testing-fix: 6:4.4.4-9+lenny1
sid-fix: 6:4.4.6-2
upgrade: apt-get upgrade
IMPORTANT NOTE:
php4 will be removed from testing (lenny); thus you are strongly
advised to migrate to php5. If you cannot upgrade, you should
consider using the stable distribution (etch) instead.
Several remote vulnerabilities have been discovered in PHP, a
server-side, HTML-embedded scripting language, which may lead to the
execution of arbitrary code. The Common Vulnerabilities and Exposures
project identifies the following problems:
CVE-2007-1286
Stefan Esser discovered an overflow in the object reference handling
code of the unserialize() function, which allows the execution of
arbitrary code if malformed input is passed from an application.
CVE-2007-1380
Stefan Esser discovered that the session handler performs
insufficient validation of variable name length values, which allows
information disclosure through a heap information leak.
CVE-2007-1521
Stefan Esser discovered a double free vulnerability in the
session_regenerate_id() function, which allows the execution of
arbitrary code.
CVE-2007-1538
Stefan Esser discovered that the mb_parse_str function sets the internal
register_globals flag and does not disable it in certain cases when a script
terminates, which allows remote attackers to invoke available PHP scripts with
register_globals functionality that is not detectable by these scripts
CVE-2007-1718
Stefan Esser discovered that the mail() function performs
insufficient validation of folded mail headers, which allows mail
header injection.
CVE-2007-1777
Stefan Esser discovered that the extension to handle ZIP archives
performs insufficient length checks, which allows the execution of
arbitrary code.
CVE-2007-2509
It was discovered that the ftp extension of PHP, a server-side,
HTML-embedded scripting language performs insufficient input sanitising,
which permits an attacker to execute arbitrary FTP commands. This
requires the attacker to already have access to the FTP server.
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