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Vulnerability Details : CVE-2012-2317

The Debian php_crypt_revamped.patch patch for PHP 5.3.x, as used in the php5 package before 5.3.3-7+squeeze4 in Debian GNU/Linux squeeze, the php5 package before 5.3.2-1ubuntu4.17 in Ubuntu 10.04 LTS, and the php5 package before 5.3.5-1ubuntu7.10 in Ubuntu 11.04, does not properly handle an empty salt string, which might allow remote attackers to bypass authentication by leveraging an application that relies on the PHP crypt function to choose a salt for password hashing.
Publish Date : 2012-08-07 Last Update Date : 2012-08-08
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 310

- Products Affected By CVE-2012-2317

# Product Type Vendor Product Version Update Edition Language
1 Application Canonical Php5 5.3.2-1ubuntu4.16 Version Details Vulnerabilities
2 Application Canonical Php5 5.3.2-1ubuntu4.17 Version Details Vulnerabilities
3 Application Canonical Php5 5.3.5-1ubuntu7.9 Version Details Vulnerabilities
4 Application Canonical Php5 5.3.5-1ubuntu7.10 Version Details Vulnerabilities
5 OS Canonical Ubuntu Linux 10.04 - LTS Version Details Vulnerabilities
6 OS Canonical Ubuntu Linux 11.04 Version Details Vulnerabilities
7 OS Debian Debian Linux Version Details Vulnerabilities
8 Application Debian Php5-common 5.3.2-1 Version Details Vulnerabilities
9 Application Debian Php5-common 5.3.3-7+squeeze4 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Php5 4
Canonical Ubuntu Linux 2
Debian Debian Linux 1
Debian Php5-common 2

- References For CVE-2012-2317 CONFIRM
MLIST [oss-security] 20120504 Debian/Ubuntu php_crypt_revamped.patch
MLIST [oss-security] 20120505 Re: Debian/Ubuntu php_crypt_revamped.patch

- Metasploit Modules Related To CVE-2012-2317

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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