Cross-site scripting in Trustwave ModSecurity

1) Cross-site scripting

EUVDB-ID: #VU43808

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2012-2751

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

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. The vulnerability allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks.

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

ModSecurity: 2.0.0 - 2.6.4

CPE2.3

• cpe:2.3:a:trustwave:modsecurity:2.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:trustwave:modsecurity:2.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:trustwave:modsecurity:2.5.13:*:*:*:*:*:*:*
• cpe:2.3:a:trustwave:modsecurity:2.6.4:*:*:*:*:*:*:*

External links

https://blog.ivanristic.com/2012/06/modsecurity-and-modsecurity-core-rule-set-multipart-bypasses.html
https://lists.opensuse.org/opensuse-updates/2013-08/msg00020.html
https://lists.opensuse.org/opensuse-updates/2013-08/msg00025.html
https://lists.opensuse.org/opensuse-updates/2013-08/msg00031.html
https://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/branches/2.6.x/CHANGES
https://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/trunk/apache2/msc_multipart.c?r1=1918&r2=1917&pathrev=1918
https://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/trunk/CHANGES?r1=1920&r2=1919&pathrev=1920
https://secunia.com/advisories/49576
https://secunia.com/advisories/49782
https://www.debian.org/security/2012/dsa-2506
https://www.mandriva.com/security/advisories?name=MDVSA-2012:118
https://www.mandriva.com/security/advisories?name=MDVSA-2013:150
https://www.openwall.com/lists/oss-security/2012/06/22/1
https://www.openwall.com/lists/oss-security/2012/06/22/2
https://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html
https://www.securityfocus.com/bid/54156

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.