Cross-site scripting in Adobe Flash Player



Published: 2011-06-05 | Updated: 2017-03-16
Severity Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2011-2107
CWE ID CWE-79
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
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Adobe Flash Player
Client/Desktop applications / Plugins for browsers, ActiveX components

Vendor Adobe

Security Advisory

This security advisory describes one medium risk vulnerability.

1) Cross-site scripting

Severity: Medium

CVSSv3: 5.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C] [PCI]

CVE-ID: CVE-2011-2107

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

Description

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

The vulnerability exists due to insufficient sanitization of user-input. 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 website hosting an .swf file.

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.

Note: the vulnerability was being actively exploited.

Mitigation

Update Adobe Flash Player 10.x for Windows, Macintosh, Linux and Solaris to 10.3.181.22 (10.3.181.23 for ActiveX).

Vulnerable software versions

Adobe Flash Player: 10.1.85.3, 10.1.102.64, 10.2.152.26, 10.2.152.32, 10.2.159.1, 10.3.181.14, 10.3.181.16, 10.3.181.22, 10.3.181.23

CPE External links

http://www.adobe.com/support/security/bulletins/apsb11-13.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. However, a fully functional exploit for this vulnerability is available.