This update includes the latest release of PHP 5.2.

A number of security issues have been fixed.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Various integer overflow flaws were found in the PHP gd extension script that could be forced to resize images from an untrusted source, possibly allowing a remote attacker to execute arbitrary code as the apache user. (CVE-2007-3996)

An integer overflow flaw was found in the PHP chunk_split function. If a remote attacker was able to pass arbitrary data to the third argument of chunk_split they could possibly execute arbitrary code as the apache user. Note that it is unusual for a PHP script to use the chunk_split function with a user-supplied third argument.
(CVE-2007-2872)

A previous security update introduced a bug into PHP session cookie handling. This could allow an attacker to stop a victim from viewing a vulnerable website if the victim has first visited a malicious web page under the control of the attacker, and that page can set a cookie for the vulnerable website. (CVE-2007-4670)

A flaw was found in the PHP money_format function. If a remote attacker was able to pass arbitrary data to the money_format function this could possibly result in an information leak or denial of service. Note that it is unusual for a PHP script to pass user-supplied data to the money_format function. (CVE-2007-4658)

A flaw was found in the PHP wordwrap function. If a remote attacker was able to pass arbitrary data to the wordwrap function this could possibly result in a denial of service. (CVE-2007-3998)

A bug was found in PHP session cookie handling. This could allow an attacker to create a cross-site cookie insertion attack if a victim follows an untrusted carefully-crafted URL. (CVE-2007-3799)

An infinite-loop flaw was discovered in the PHP gd extension. A script that could be forced to process PNG images from an untrusted source could allow a remote attacker to cause a denial of service.
(CVE-2007-2756)

A flaw was found in the PHP 'ftp' extension. If a PHP script used this extension to provide access to a private FTP server, and passed untrusted script input directly to any function provided by this extension, a remote attacker would be able to send arbitrary FTP commands to the server. (CVE-2007-2509)

This update fixes a denial-of-service bug in libgd that can occur while processing crafted images. (CVE-2007-2756)

A flaw in libgd2 was found by Xavier Roche where it would not correctly validate PNG callback results. If an application linked against libgd2 was tricked into processing a specially crafted PNG file, it could cause a denial of service scenario via CPU resource consumption.

Tetex uses an embedded copy of the gd source and may also be affected by this issue.

The updated packages have been patched to prevent this issue.

According to its banner, the version of PHP installed on the remote host is older than 5.2.3. It is, therefore, affected by multiple vulnerabilities:

  - A buffer overflow in the sqlite_decode_function() in     the bundled sqlite library could allow context-dependent     attackers to execute arbitrary code. (CVE-2007-1887)

  - A CRLF injection vulnerability in the     FILTER_VALIDATE_EMAIL filter could allow an attacker to     inject arbitrary email headers via a special email     address. This only affects Mandriva Linux 2007.1.
    (CVE-2007-1900)

  - An infinite-loop flaw was discovered in the PHP gd     extension. A script that could be forced to process PNG     images from an untrusted source could allow a remote     attacker to cause a denial of service. (CVE-2007-2756)

  - An integer overflow flaw was found in the     chunk_split() function that ould possibly execute     arbitrary code as the apache user if a remote attacker     was able to pass arbitrary data to the third argument of     chunk_split() (CVE-2007-2872).

  - An open_basedir and safe_mode restriction bypass which     could allow context-dependent attackers to determine the     existence of arbitrary files. (CVE-2007-3007)

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2008-0146 advisory.

    [2.0.28-5.E4.1]
     - security fixes
     - Resolves: #432784

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 4 / 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2007:0890 advisory.

  - gd / php-gd ImageCreateFromPng infinite loop caused by truncated PNG (CVE-2007-2756)

  - php chunk_split integer overflow (CVE-2007-2872)

  - php cross-site cookie insertion (CVE-2007-3799)

  - php multiple integer overflows in gd (CVE-2007-3996)

  - php floating point exception inside wordwrap (CVE-2007-3998)

  - php money_format format string issue (CVE-2007-4658)

  - php malformed cookie handling (CVE-2007-4670)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Updated PHP packages that fix several security issues are now available for Red Hat Enterprise Linux 3.

This update has been rated as having moderate security impact by the Red Hat Security Response Team.

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Web server.

These updated packages address the following vulnerabilities :

Various integer overflow flaws were found in the PHP gd extension script that could be forced to resize images from an untrusted source, possibly allowing a remote attacker to execute arbitrary code as the apache user. (CVE-2007-3996)

An integer overflow flaw was found in the PHP chunk_split function. If a remote attacker was able to pass arbitrary data to the third argument of chunk_split they could possibly execute arbitrary code as the apache user. Note that it is unusual for a PHP script to use the chunk_split function with a user-supplied third argument.
(CVE-2007-2872)

A previous security update introduced a bug into PHP session cookie handling. This could allow an attacker to stop a victim from viewing a vulnerable website if the victim has first visited a malicious web page under the control of the attacker, and that page can set a cookie for the vulnerable website. (CVE-2007-4670)

A flaw was found in the PHP money_format function. If a remote attacker was able to pass arbitrary data to the money_format function this could possibly result in an information leak or denial of service. Note that it is unusual for a PHP script to pass user-supplied data to the money_format function. (CVE-2007-4658)

A flaw was found in the PHP wordwrap function. If a remote attacker was able to pass arbitrary data to the wordwrap function this could possibly result in a denial of service. (CVE-2007-3998)

A bug was found in PHP session cookie handling. This could allow an attacker to create a cross-site cookie insertion attack if a victim follows an untrusted carefully-crafted URL. (CVE-2007-3799)

An infinite-loop flaw was discovered in the PHP gd extension. A script that could be forced to process PNG images from an untrusted source could allow a remote attacker to cause a denial of service.
(CVE-2007-2756)

A flaw was found in the PHP 'ftp' extension. If a PHP script used this extension to provide access to a private FTP server, and passed untrusted script input directly to any function provided by this extension, a remote attacker would be able to send arbitrary FTP commands to the server. (CVE-2007-2509)

Users of PHP should upgrade to these updated packages, which contain backported patches to correct these issues.

The following issues have been fixed in PHP, which were spotted by the MOPB project or fixed in PHP 5.2.3 release :

  - missing open_basedir and safe_mode restriction     (CVE-2007-3007)

  - chunk_split() integer overflow (CVE-2007-2872)

  - DoS condition in libgd's image processing     (CVE-2007-2756)

  - possible super-global overwrite inside     import_request_variables() (CVE-2007-1396)

  - buffer overflow inside user_filter_factory_create()     (CVE-2007-2511)

  - remotely trigger-able buffer overflow inside bundled     libxmlrpc (CVE-2007-1864)

  - CRLF injection inside ftp_putcmd() (CVE-2007-2509)

  - remotely trigger-able buffer overflow inside     make_http_soap_request() (CVE-2007-2510)

  - MOPB-41-2007:PHP 5 sqlite_udf_decode_binary() Buffer     Overflow Vulnerability (CVE-2007-0906)

  - MOPB-03-2007: deep recursion DoS (CVE-2007-1285)

A flaw in libgd2 was found by Xavier Roche where it would not correctly validate PNG callback results. If an application linked against libgd2 was tricked into processing a specially crafted PNG file, it could cause a denial of service scenario via CPU resource consumption.

The updated packages have been patched to prevent this issue.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial of service     (CPU consumption) via a crafted PNG image with truncated data, which causes an infinite loop in the     png_read_info function in libpng. (CVE-2007-2756)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote host is affected by the vulnerability described in GLSA-200710-02 (PHP: Multiple vulnerabilities)

    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).
    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)     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.
    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.
    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).
    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.
  Impact :

    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.
  Workaround :

    There is no known workaround at this time.

Various integer overflow flaws were found in the PHP gd extension. A script that could be forced to resize images from an untrusted source could possibly allow a remote attacker to execute arbitrary code as the apache user. (CVE-2007-3996)

An integer overflow flaw was found in the PHP chunk_split function. If a remote attacker was able to pass arbitrary data to the third argument of chunk_split they could possibly execute arbitrary code as the apache user. Note that it is unusual for a PHP script to use the chunk_script function with a user-supplied third argument.
(CVE-2007-2872)

A previous security update introduced a bug into PHP session cookie handling. This could allow an attacker to stop a victim from viewing a vulnerable website if the victim has first visited a malicious web page under the control of the attacker, and that page can set a cookie for the vulnerable website. (CVE-2007-4670)

A flaw was found in the PHP money_format function. If a remote attacker was able to pass arbitrary data to the money_format function this could possibly result in an information leak or denial of service. Note that is is unusual for a PHP script to pass user-supplied data to the money_format function. (CVE-2007-4658)

A flaw was found in the PHP wordwrap function. If a remote attacker was able to pass arbitrary data to the wordwrap function this could possibly result in a denial of service. (CVE-2007-3998)

A bug was found in PHP session cookie handling. This could allow an attacker to create a cross-site cookie insertion attack if a victim follows an untrusted carefully-crafted URL. (CVE-2007-3799)

An infinite-loop flaw was discovered in the PHP gd extension. A script that could be forced to process PNG images from an untrusted source could allow a remote attacker to cause a denial of service.
(CVE-2007-2756)

The remote host is affected by the vulnerability described in GLSA-200708-05 (GD: Multiple vulnerabilities)

    Xavier Roche discovered an infinite loop in the gdPngReadData()     function when processing a truncated PNG file (CVE-2007-2756). An     integer overflow has been discovered in the gdImageCreateTrueColor()     function (CVE-2007-3472). An error has been discovered in the function     gdImageCreateXbm() function (CVE-2007-3473). Unspecified     vulnerabilities have been discovered in the GIF reader (CVE-2007-3474).
    An error has been discovered when processing a GIF image that has no     global color map (CVE-2007-3475). An array index error has been     discovered in the file gd_gif_in.c when processing images with an     invalid color index (CVE-2007-3476). An error has been discovered in     the imagearc() and imagefilledarc() functions when processing overly     large angle values (CVE-2007-3477). A race condition has been     discovered in the gdImageStringFTEx() function (CVE-2007-3478).
  Impact :

    A remote attacker could exploit one of these vulnerabilities to cause a     Denial of Service or possibly execute arbitrary code with the     privileges of the user running GD.
  Workaround :

    There is no known workaround at this time.

A buffer overflow was discovered in libgd2's font renderer. By tricking an application using libgd2 into rendering a specially crafted string with a JIS encoded font, a remote attacker could read heap memory or crash the application, leading to a denial of service.
(CVE-2007-0455)

Xavier Roche discovered that libgd2 did not correctly validate PNG callback results. If an application were tricked into processing a specially crafted PNG image, it would monopolize CPU resources. Since libgd2 is often used in PHP and Perl web applications, this could lead to a remote denial of service. (CVE-2007-2756).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

A flaw in libgd2 was found by Xavier Roche where it would not correctly validate PNG callback results. If an application linked against libgd2 was tricked into processing a specially crafted PNG file, it could cause a denial of service scenario via CPU resource consumption.

Libwmf uses an embedded copy of the gd source and may also be affected by this issue.

The updated packages have been patched to prevent this issue.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
27759	Fedora 7 : php-5.2.4-1.fc7 (2007-2215)	Nessus	Fedora Local Security Checks	2007/11/6	2021/1/11	high
60257	Scientific Linux Security Update : php on SL3.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	high
27230	openSUSE 10 Security Update : gd (gd-3747)	Nessus	SuSE Local Security Checks	2007/10/17	2021/1/14	medium
25518	Mandrake Linux Security Advisory : tetex (MDKSA-2007:124)	Nessus	Mandriva Local Security Checks	2007/6/14	2021/1/6	medium
29439	SuSE 10 Security Update : gd (ZYPP Patch Number 3748)	Nessus	SuSE Local Security Checks	2007/12/13	2021/1/14	medium
25368	PHP < 5.2.3 Multiple Vulnerabilities	Nessus	CGI abuses	2007/6/2	2025/5/26	high
67657	Oracle Linux 5 : Moderate: / gd (ELSA-2008-0146)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2024/10/22	high
26110	RHEL 4 / 5 : php (RHSA-2007:0890)	Nessus	Red Hat Local Security Checks	2007/9/24	2024/4/21	high
26191	RHEL 3 : php (RHSA-2007:0889)	Nessus	Red Hat Local Security Checks	2007/9/26	2021/1/14	high
27392	openSUSE 10 Security Update : php5 (php5-3753)	Nessus	SuSE Local Security Checks	2007/10/17	2021/1/14	high
25516	Mandrake Linux Security Advisory : gd (MDKSA-2007:122)	Nessus	Mandriva Local Security Checks	2007/6/14	2021/1/6	medium
217051	Linux Distros Unpatched Vulnerability : CVE-2007-2756	Nessus	Misc.	2025/3/3	2025/9/14	high
26942	GLSA-200710-02 : PHP: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2007/10/9	2021/1/6	high
60255	Scientific Linux Security Update : php on SL5.x, SL4.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	high
25870	GLSA-200708-05 : GD: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2007/8/13	2021/1/6	medium
28074	Ubuntu 6.06 LTS / 6.10 / 7.04 : libgd2 vulnerabilities (USN-473-1)	Nessus	Ubuntu Local Security Checks	2007/11/10	2021/1/19	high
25517	Mandrake Linux Security Advisory : libwmf (MDKSA-2007:123)	Nessus	Mandriva Local Security Checks	2007/6/14	2021/1/6	medium

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