Test ID:	1.3.6.1.4.1.25623.1.0.51900
Category:	Ubuntu Local Security Checks
Title:	Ubuntu 4.10 USN-99-1 (php4)
Summary:	Ubuntu 4.10 USN-99-1 (php4)
Description:	The remote host is missing an update to php4 announced via advisory USN-99-1. Stefano Di Paola discovered integer overflows in PHP's pack() and unpack() functions. A malicious PHP script could exploit these to break out of safe mode and execute arbitrary code with the privileges of the PHP interpreter. (CVE-2004-1018) Note: The second part of CVE-2004-1018 (buffer overflow in the shmop_write() function) was already fixed in USN-66-1. Stefan Esser discovered two safe mode bypasses which allowed malicious PHP scripts to circumvent path restrictions. This was possible by either using virtual_popen() with a current directory containing shell metacharacters (CVE-2004-1063) or creating a specially crafted directory whose length exceeded the capacity of the realpath() function (CVE-2004-1064). The following packages are affected: libapache2-mod-php4 php4-cgi Solution: The problem can be corrected by upgrading the affected package to version 4:4.3.8-3ubuntu7.5. In general, a standard system upgrade is sufficient to effect the necessary changes. http://www.securityspace.com/smysecure/catid.html?in=USN-99-1 Risk factor : Critical
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2004-1018 Bugtraq: 20041219 PHP shmop.c module permits write of arbitrary memory. (Google Search) http://www.securityfocus.com/archive/1/384920 Bugtraq: 20041215 Advisory 01/2004: Multiple vulnerabilities in PHP 4/5 (Google Search) http://marc.theaimsgroup.com/?l=bugtraq&m=110314318531298&w=2 http://www.hardened-php.net/advisories/012004.txt https://bugzilla.fedora.us/show_bug.cgi?id=2344 HPdes Security Advisory: HPSBMA01212 http://www.securityfocus.com/advisories/9028 http://www.mandriva.com/security/advisories?name=MDKSA-2004:151 http://www.mandriva.com/security/advisories?name=MDKSA-2005:072 http://www.redhat.com/support/errata/RHSA-2005-032.html http://www.redhat.com/support/errata/RHSA-2005-816.html http://marc.theaimsgroup.com/?l=bugtraq&m=111117104809638&w=2 BugTraq ID: 12045 http://www.securityfocus.com/bid/12045 http://www.osvdb.org/12411 http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10949 XForce ISS Database: php-shmopwrite-outofbounds-memory(18515) http://xforce.iss.net/xforce/xfdb/18515 Common Vulnerability Exposure (CVE) ID: CVE-2004-1063 http://www.securityfocus.com/archive/1/384545 Conectiva Linux advisory: CLA-2005:915 http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000915 http://www.gentoo.org/security/en/glsa/glsa-200412-14.xml BugTraq ID: 11964 http://www.securityfocus.com/bid/11964 http://www.osvdb.org/12412 XForce ISS Database: php-safemodeexecdir-restriction-bypass(18511) http://xforce.iss.net/xforce/xfdb/18511 Common Vulnerability Exposure (CVE) ID: CVE-2004-1064 http://marc.theaimsgroup.com/?l=bugtraq&m=111170851228358&w=2 XForce ISS Database: php-realpath-safemode-bypass(18512) http://xforce.iss.net/xforce/xfdb/18512
Copyright	Copyright (c) 2005 E-Soft Inc. http://www.securityspace.com

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