CentOS Update for php CESA-2012:1046 centos6

Published: 2012-07-30 11:03:18
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Summary:
The remote host is missing an update for the 'php' Linux Distribution Package(s) announced via the referenced advisory.

Affected Versions:
php on CentOS 6

Recommendations:
Please install the updated Linux Distribution Packages.

Technical Details:
PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. It was discovered that the PHP XSL extension did not restrict the file writing capability of libxslt. A remote attacker could use this flaw to create or overwrite an arbitrary file that is writable by the user running PHP, if a PHP script processed untrusted eXtensible Style Sheet Language Transformations (XSLT) content. (CVE-2012-0057) Note: This update disables file writing by default. A new PHP configuration directive, 'xsl.security_prefs', can be used to enable file writing in XSLT. A flaw was found in the way PHP validated file names in file upload requests. A remote attacker could possibly use this flaw to bypass the sanitization of the uploaded file names, and cause a PHP script to store the uploaded file in an unexpected directory, by using a directory traversal attack. (CVE-2012-1172) Multiple integer overflow flaws, leading to heap-based buffer overflows, were found in the way the PHP phar extension processed certain fields of tar archive files. A remote attacker could provide a specially-crafted tar archive file that, when processed by a PHP application using the phar extension, could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running PHP. (CVE-2012-2386) A format string flaw was found in the way the PHP phar extension processed certain PHAR files. A remote attacker could provide a specially-crafted PHAR file, which once processed in a PHP application using the phar extension, could lead to information disclosure and possibly arbitrary code execution via a crafted phar:// URI. (CVE-2010-2950) A flaw was found in the DES algorithm implementation in the crypt() password hashing function in PHP. If the password string to be hashed contained certain characters, the remainder of the string was ignored when calculating the hash, significantly reducing the password strength. (CVE-2012-2143) Note: With this update, passwords are no longer truncated when performing DES hashing. Therefore, new hashes of the affected passwords will not match stored hashes generated using vulnerable PHP versions, and will need to be updated. It was discovered that the fix for CVE-2012-1823, released via RHSA-2012:0546, did not properly filter all php-cgi command line arguments. A specially-crafted request to a PHP script could cause the PHP interpreter to execute the script in a loop, or output usage information that triggers an Internal Server Error. (CVE-2012-2 ... Description truncated, please see the referenced URL(s) for more information.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2010-2950
https://nvd.nist.gov/vuln/detail/CVE-2011-4153
https://nvd.nist.gov/vuln/detail/CVE-2012-0057
https://nvd.nist.gov/vuln/detail/CVE-2012-0781
https://nvd.nist.gov/vuln/detail/CVE-2012-0789
https://nvd.nist.gov/vuln/detail/CVE-2012-1172
https://nvd.nist.gov/vuln/detail/CVE-2012-2143
https://nvd.nist.gov/vuln/detail/CVE-2012-2336
https://nvd.nist.gov/vuln/detail/CVE-2012-2386
https://nvd.nist.gov/vuln/detail/CVE-2012-1823

References:

http://lists.centos.org/pipermail/centos-announce/2012-July/018730.html

Severity
High
CVSS Score
7.5
Published
2012-07-30
Modified
2019-03-15
Category
CentOS Local Security Checks

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