Vulnerability CVE-2006-7225 - CERT Civis.Net

Vulnerability Name:

CVE-2006-7225 (CCN-40022)

Assigned:

2007-11-13

Published:

2007-11-13

Updated:

2017-10-11

Summary:

Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to cause a denial of service (error or crash) via a regular expression that involves a "malformed POSIX character class", as demonstrated via an invalid character after a [[ sequence.

CVSS v3 Severity:

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
3.2 Low (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2006-7225

Source: SUSE
Type: UNKNOWN
SUSE-SA:2008:004

Source: CCN
Type: RHSA-2007-1059
Important: pcre security update

Source: CCN
Type: RHSA-2007-1068
Important: pcre security update

Source: CCN
Type: SA28041
Avaya Products PCRE Multiple Vulnerabilities

Source: SECUNIA
Type: UNKNOWN
28041

Source: SECUNIA
Type: UNKNOWN
28658

Source: CONFIRM
Type: UNKNOWN
http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm

Source: CCN
Type: ASA-2007-505
PCRE security update (RHSA-2007-1068)

Source: MANDRIVA
Type: UNKNOWN
MDVSA-2008:030

Source: CCN
Type: OSVDB ID: 40757
Perl-Compatible Regular Expression (PCRE) Malformed POSIX Character Class Regexp DoS

Source: CCN
Type: PCRE Web site
PCRE - Perl Compatible Regular Expressions

Source: CONFIRM
Type: UNKNOWN
http://www.pcre.org/changelog.txt

Source: REDHAT
Type: Patch
RHSA-2007:1059

Source: REDHAT
Type: Patch
RHSA-2007:1068

Source: BID
Type: UNKNOWN
26725

Source: CCN
Type: BID-26725
PCRE Perl Compatible Regular Expressions Library POSIX Denial Of Service Vulnerability

Source: CCN
Type: Red Hat Bugzilla Bug 384761
CVE-2006-7225 pcre miscalculation of memory requirements for malformed Posix character class

Source: MISC
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=384761

Source: XF
Type: UNKNOWN
pcre-posixcharacter-dos(40022)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:10985

Source: SUSE
Type: SUSE-SA:2008:004
php5 php4 Security Problems

Vulnerable Configuration:

Configuration 1:

cpe:/a:perl:pcre:0.91:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:0.92:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:0.93:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:0.94:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:0.95:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:0.96:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:0.97:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:0.98:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:0.99:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:1.00:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:1.01:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:1.02:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:1.03:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:1.04:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:1.05:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:1.06:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:1.07:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:1.08:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:1.09:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:2.0:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:2.01:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:2.02:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:2.03:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:2.04:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:2.05:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:2.06:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:2.07:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:2.08:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:3.0:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:3.1:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:3.2:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:3.3:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:3.4:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:3.5:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:3.6:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:3.7:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:3.8:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:3.9:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:4.0:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:4.1:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:4.2:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:4.3:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:4.4:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:4.5:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:5.0:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:6.0:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:6.1:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:6.2:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:6.3:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:6.4:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:6.5:*:*:*:*:*:*:*

OR cpe:/a:perl:pcre:6.6:*:*:*:*:*:*:*

Configuration RedHat 1:

cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

Configuration RedHat 2:

cpe:/o:redhat:enterprise_linux:5::client:*:*:*:*:*

Configuration RedHat 3:

cpe:/o:redhat:enterprise_linux:5::client_workstation:*:*:*:*:*

Configuration RedHat 4:

cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

Configuration RedHat 5:

cpe:/o:redhat:enterprise_linux:4:*:*:*:*:*:*:*

Configuration RedHat 6:

cpe:/o:redhat:enterprise_linux:4::as:*:*:*:*:*

Configuration RedHat 7:

cpe:/o:redhat:enterprise_linux:4::desktop:*:*:*:*:*

Configuration RedHat 8:

cpe:/o:redhat:enterprise_linux:4::es:*:*:*:*:*

Configuration RedHat 9:

cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:20067225	V	CVE-2006-7225	2015-11-16
oval:org.mitre.oval:def:22565	P	ELSA-2007:1059: pcre security update (Important)	2014-05-26
oval:org.mitre.oval:def:10985	V	Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to cause a denial of service (error or crash) via a regular expression that involves a "malformed POSIX character class", as demonstrated via an invalid character after a [[ sequence.	2013-04-29
oval:com.redhat.rhsa:def:20071059	P	RHSA-2007:1059: pcre security update (Important)	2008-03-20
oval:com.redhat.rhsa:def:20071068	P	RHSA-2007:1068: pcre security update (Important)	2007-11-29