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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200710-02">
+ <title>PHP: Multiple vulnerabilities</title>
+ <synopsis>
+ PHP contains several vulnerabilities including buffer and integer overflows
+ which could lead to the remote execution of arbitrary code.
+ </synopsis>
+ <product type="ebuild">php</product>
+ <announced>2007-10-07</announced>
+ <revised count="01">2007-10-07</revised>
+ <bug>179158</bug>
+ <bug>180556</bug>
+ <bug>191034</bug>
+ <access>remote</access>
+ <affected>
+ <package name="dev-lang/php" auto="yes" arch="*">
+ <unaffected range="ge">5.2.4_p20070914-r2</unaffected>
+ <vulnerable range="lt">5.2.4_p20070914-r2</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ PHP is a widely-used general-purpose scripting language that is
+ especially suited for Web development and can be embedded into HTML.
+ </p>
+ </background>
+ <description>
+ <p>
+ Several vulnerabilities were found in PHP. Mattias Bengtsson and Philip
+ Olausson reported integer overflows in the gdImageCreate() and
+ gdImageCreateTrueColor() functions of the GD library which can cause
+ heap-based buffer overflows (CVE-2007-3996). Gerhard Wagner discovered
+ an integer overflow in the chunk_split() function that can lead to a
+ heap-based buffer overflow (CVE-2007-2872). Its incomplete fix caused
+ incorrect buffer size calculation due to precision loss, also resulting
+ in a possible heap-based buffer overflow (CVE-2007-4661 and
+ CVE-2007-4660). A buffer overflow in the sqlite_decode_binary() of the
+ SQLite extension found by Stefan Esser that was addressed in PHP 5.2.1
+ was not fixed correctly (CVE-2007-1887).
+ </p>
+ <p>
+ Stefan Esser discovered an error in the zend_alter_ini_entry() function
+ handling a memory_limit violation (CVE-2007-4659). Stefan Esser also
+ discovered a flaw when handling interruptions with userspace error
+ handlers that can be exploited to read arbitrary heap memory
+ (CVE-2007-1883). Disclosure of sensitive memory can also be triggered
+ due to insufficient boundary checks in the strspn() and strcspn()
+ functions, an issue discovered by Mattias Bengtsson and Philip Olausson
+ (CVE-2007-4657)
+ </p>
+ <p>
+ Stefan Esser reported incorrect validation in the FILTER_VALIDATE_EMAIL
+ filter of the Filter extension allowing arbitrary email header
+ injection (CVE-2007-1900). NOTE: This CVE was referenced, but not fixed
+ in GLSA 200705-19.
+ </p>
+ <p>
+ Stanislav Malyshev found an error with unknown impact in the
+ money_format() function when processing "%i" and "%n" tokens
+ (CVE-2007-4658). zatanzlatan reported a buffer overflow in the
+ php_openssl_make_REQ() function with unknown impact when providing a
+ manipulated SSL configuration file (CVE-2007-4662). Possible memory
+ corruption when trying to read EXIF data in exif_read_data() and
+ exif_thumbnail() occurred with unknown impact.
+ </p>
+ <p>
+ Several vulnerabilities that allow bypassing of open_basedir and other
+ restrictions were reported, including the glob() function
+ (CVE-2007-4663), the session_save_path(), ini_set(), and error_log()
+ functions which can allow local command execution (CVE-2007-3378),
+ involving the readfile() function (CVE-2007-3007), via the Session
+ extension (CVE-2007-4652), via the MySQL extension (CVE-2007-3997) and
+ in the dl() function which allows loading extensions outside of the
+ specified directory (CVE-2007-4825).
+ </p>
+ <p>
+ Multiple Denial of Service vulnerabilities were discovered, including a
+ long "library" parameter in the dl() function (CVE-2007-4887), in
+ several iconv and xmlrpc functions (CVE-2007-4840 and CVE-2007-4783),
+ in the setlocale() function (CVE-2007-4784), in the glob() and
+ fnmatch() function (CVE-2007-4782 and CVE-2007-3806), a floating point
+ exception in the wordwrap() function (CVE-2007-3998), a stack
+ exhaustion via deeply nested arrays (CVE-2007-4670), an infinite loop
+ caused by a specially crafted PNG image in the png_read_info() function
+ of libpng (CVE-2007-2756) and several issues related to array
+ conversion.
+ </p>
+ </description>
+ <impact type="high">
+ <p>
+ Remote attackers might be able to exploit these issues in PHP
+ applications making use of the affected functions, potentially
+ resulting in the execution of arbitrary code, Denial of Service,
+ execution of scripted contents in the context of the affected site,
+ security bypass or information leak.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All PHP users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=dev-lang/php-5.2.4_p20070914-r2"</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1883">CVE-2007-1883</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1887">CVE-2007-1887</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1900">CVE-2007-1900</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2756">CVE-2007-2756</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2872">CVE-2007-2872</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3007">CVE-2007-3007</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3378">CVE-2007-3378</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3806">CVE-2007-3806</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3996">CVE-2007-3996</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3997">CVE-2007-3997</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3998">CVE-2007-3998</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4652">CVE-2007-4652</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4657">CVE-2007-4657</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4658">CVE-2007-4658</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4659">CVE-2007-4659</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4660">CVE-2007-4660</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4661">CVE-2007-4661</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4662">CVE-2007-4662</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4663">CVE-2007-4663</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4670">CVE-2007-4670</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4727">CVE-2007-4727</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4782">CVE-2007-4782</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4783">CVE-2007-4783</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4784">CVE-2007-4784</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4825">CVE-2007-4825</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4840">CVE-2007-4840</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4887">CVE-2007-4887</uri>
+ <uri link="https://www.gentoo.org/security/en/glsa/glsa-200705-19.xml">GLSA 200705-19</uri>
+ </references>
+ <metadata tag="requester" timestamp="2007-08-19T18:58:47Z">
+ jaervosz
+ </metadata>
+ <metadata tag="bugReady" timestamp="2007-08-19T18:58:59Z">
+ jaervosz
+ </metadata>
+ <metadata tag="submitter" timestamp="2007-09-27T00:18:38Z">
+ rbu
+ </metadata>
+</glsa>