Multiple vulnerabilities in Movable Type

Published: 2012-04-02 | Updated: 2020-12-14

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2011-5084 CVE-2011-5085
CWE-ID	CWE-79 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Movable Type Web applications / CMS
Vendor	Six Apart Ltd

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU44162

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-5084

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in Movable Type 4.x before 4.36 and 5.x before 5.05. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Movable Type: 4.0 - 5.05

External links

http://www.debian.org/security/2012/dsa-2423
http://www.movabletype.org/2011/05/movable_type_51_and_505_436_security_update.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU44164

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-5085

CWE-ID: CWE-20 - Improper input validation