Multiple vulnerabilities in Adobe Connect

1) Reflected cross-site scripting

EUVDB-ID: #VU9190

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-11287

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 9.7.

Vulnerable software versions

Adobe Connect: 9.4.1 - 9.6.2

CPE2.3

External links

https://helpx.adobe.com/security/products/connect/apsb17-35.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) Reflected cross-site scripting

EUVDB-ID: #VU9191

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-11288

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 9.7.

Vulnerable software versions

Adobe Connect: 9.4.1 - 9.6.2

CPE2.3

External links

https://helpx.adobe.com/security/products/connect/apsb17-35.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.

3) Reflected cross-site scripting

EUVDB-ID: #VU9192

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-11289

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 9.7.

Vulnerable software versions

Adobe Connect: 9.4.1 - 9.6.2

CPE2.3

External links

https://helpx.adobe.com/security/products/connect/apsb17-35.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.

4) Server-side request forgery

EUVDB-ID: #VU9193

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-11291

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

Exploit availability: No

Description

The vulnerability allows a remote user to perform SSRF attack.

The weakness exists due to unknown error. A remote attacker can perform SSRF attack to bypass network access controls, perform unauthorized connections to local resources, gain access to sensitive information and compromise vulnerable system.

Mitigation

Update to version 9.7.

Vulnerable software versions

Adobe Connect: 9.4.1 - 9.6.2

CPE2.3

External links

https://helpx.adobe.com/security/products/connect/apsb17-35.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.

5) Click-jacking attack

EUVDB-ID: #VU9194

Risk: Low

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

CVE-ID: CVE-2017-11290

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform click-jacking attacks.

The vulnerability exists due to misrepresentation of critical information by user interface. A remote attacker can perform click-jacking attack.

Successful exploitation of this vulnerability may allow an attacker to gain access to potentially sensitive date or perform phishing attacks.

Mitigation

Update to version 9.7.

Vulnerable software versions

Adobe Connect: 9.4.1 - 9.6.2

CPE2.3

External links

https://helpx.adobe.com/security/products/connect/apsb17-35.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.

Risk	High
Patch available	YES
Number of vulnerabilities	5
CVE-ID	CVE-2017-11287 CVE-2017-11288 CVE-2017-11289 CVE-2017-11291 CVE-2017-11290
CWE-ID	CWE-79 CWE-918 CWE-451
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Adobe Connect Client/Desktop applications / Other client software
Vendor	Adobe