Multiple vulnerabilities in TYPO3 DRC News Comment

Published: 2017-12-25

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	N/A
CWE-ID	CWE-79 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	DRC News Comment Client/Desktop applications / Other client software
Vendor	TYPO3

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU9727

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

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. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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

Update to version 1.0.8.

Vulnerable software versions

DRC News Comment: 1.0.3 - 1.0.7

External links

http://typo3.org/teams/security/security-bulletins/typo3-extensions/typo3-ext-sa-2017-018/

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) Remote code execution

EUVDB-ID: #VU9728

Risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]