Numerous vulnerabilities were discovered in the PHP scripting language that are corrected with this update.

An integer overflow in the substr_compare() function allows context-dependent attackers to read sensitive memory via a large value in the length argument. This only affects PHP5 (CVE-2007-1375).

A stack-based buffer overflow in the zip:// URI wrapper in PECL ZIP 1.8.3 and earlier allowes remote attackers to execute arbitrary code via a long zip:// URL. This only affects Corporate Server 4.0 (CVE-2007-1399).

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).

The mcrypt_create_iv() function calls php_rand_r() with an uninitialized seed variable, thus always generating the same initialization vector, which may allow an attacker to decrypt certain data more easily because of the guessable encryption keys (CVE-2007-2727).

The soap extension calls php_rand_r() with an uninitialized seec variable, which has unknown impact and attack vectors; an issue similar to that affecting mcrypt_create_iv(). This only affects PHP5 (CVE-2007-2728).

The substr_count() function allows attackers to obtain sensitive information via unspecified vectors. This only affects PHP5 (CVE-2007-2748).

An infinite loop was found in the gd extension that could be used to cause a denial of service if a script were forced to process certain PNG images from untrusted sources (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).

A flaw in the PHP session cookie handling could allow an attacker to create a cross-site cookie insertion attack if a victim followed an untrusted carefully-crafted URL (CVE-2007-3799).

Various integer overflow flaws were discovered in the PHP gd extension that could allow a remote attacker to execute arbitrary code as the apache user (CVE-2007-3996).

A flaw in the wordwrap() frunction could result in a denial of ervice if a remote attacker was able to pass arbitrary data to the function (CVE-2007-3998).

A flaw in the money_format() function could result in an information leak or denial of service if a remote attacker was able to pass arbitrary data to this function; this situation would be unlikely however (CVE-2007-4658).

A bug in the PHP session cookie handling could allow an attacker to stop a victim from viewing a vulnerable website if the victim first visited a malicious website under the control of the attacker who was able to use that page to set a cookie for the vulnerable website (CVE-2007-4670).

Updated packages have been patched to prevent these issues. In addition, PECL ZIP version 1.8.10 is being provided for Corporate Server 4.0.

It was discovered that the PHP xmlrpc extension did not correctly check heap memory allocation sizes. A remote attacker could send a specially crafted request to a PHP application using xmlrpc and execute arbitrary code as the Apache user. (CVE-2007-1864)

Stefan Esser discovered a flaw in the random number initialization of the PHP SOAP extension. This could lead to remote attackers being able to predict certain elements of the authentication mechanism.
(CVE-2007-2728).

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.

This update fixes multiple bugs in php :

  - predictable generaton of an initialization vector (IV)     in the mcrypt extension

  - additional cookie attributes could be injected via a     session id

  - specially crafted files could cause integer overflows in     gd and leverage them to at least crash gd based     applications

  - insufficient validation of parmeters in the substr_count     function

  - predictable generaton of an initialization vector (IV)     in the soap extension

CVE-2007-2727 / CVE-2007-2748 / CVE-2007-2728 / CVE-2007-3472 / CVE-2007-3475 / CVE-2007-3476 / CVE-2007-3477 / CVE-2007-3478 / CVE-2007-3799

This update fixes multiple bugs in php :

  - predictable generaton of an initialization vector (IV)     in the mcrypt extension

  - additional cookie attributes could be injected via a     session id

  - specially crafted files could cause integer overflows in     gd and leverage them to at least crash gd based     applications

  - insufficient validation of parmeters in the substr_count     function

  - predictable generaton of an initialization vector (IV)     in the soap extension

CVE-2007-2727, CVE-2007-2748, CVE-2007-2728, CVE-2007-3472 CVE-2007-3475, CVE-2007-3476, CVE-2007-3477, CVE-2007-3478 CVE-2007-3799

ID	名稱	產品	系列	已發布	已更新	嚴重性
26107	Mandrake Linux Security Advisory : php (MDKSA-2007:187)	Nessus	Mandriva Local Security Checks	2007/9/24	2021/1/6	critical
28086	Ubuntu 6.06 LTS / 6.10 / 7.04 : php5 vulnerabilities (USN-485-1)	Nessus	Ubuntu Local Security Checks	2007/11/10	2021/1/19	high
29379	SuSE 10 Security Update : PHP5 (ZYPP Patch Number 3980)	Nessus	SuSE Local Security Checks	2007/12/13	2021/1/14	medium
27151	openSUSE 10 Security Update : apache2-mod_php5 (apache2-mod_php5-3978)	Nessus	SuSE Local Security Checks	2007/10/17	2021/1/14	medium
27152	openSUSE 10 Security Update : apache2-mod_php5 (apache2-mod_php5-3979)	Nessus	SuSE Local Security Checks	2007/10/17	2021/1/14	medium

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