Cross-site scripting in LDAP Account Manager

1) Cross-site scripting

EUVDB-ID: #VU42392

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-2013-4453

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 templates/login.php in LDAP Account Manager (LAM) 4.3 and 4.2.1 when processing language parameter. 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

LDAP Account Manager: 4.2.1 - 4.3

External links

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=726976
http://osvdb.org/98828
http://seclists.org/oss-sec/2013/q4/149
http://secunia.com/advisories/55413
http://sourceforge.net/p/lam/bugs/156
http://www.rusty-ice.de/advisory/advisory_2013001.txt
http://exchange.xforce.ibmcloud.com/vulnerabilities/88203

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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