Multiple vulnerabilities in Cisco Vision Dynamic Signage Director

1) Stored cross-site scripting

EUVDB-ID: #VU45813

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3491

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 in the web-based management interface of Cisco Vision Dynamic Signage Director. 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

Install updates from vendor's website.

Vulnerable software versions

Cisco Vision Dynamic Signage Director: 6.2 - 6.2.0 SP4

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cvdsd-xss-teMmLyUr
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvs98749

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Security restrictions bypass

EUVDB-ID: #VU45812

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3485

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose role-based access controls in the RBAC functionality of the web management software of Cisco Vision Dynamic Signage Director. A remote authenticated user can view and delete certain screen otherwise restricted content on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Vision Dynamic Signage Director: 6.2 - 6.2.0 SP4

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cvdsd-rbac-y9LM5jw4
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvs98756

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

3) Path traversal

EUVDB-ID: #VU45811

Risk: Low

CVSSv3.1: 2.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3490

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the web-based management interface of Cisco Vision Dynamic Signage Director. A remote authenticated administrator can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cisco Vision Dynamic Signage Director: 6.2 - 6.2.0 SP4

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cvdsd-pathtrv-5tLJRrFn
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28225

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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

4) Path traversal

EUVDB-ID: #VU45810

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3484

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the web-based management interface of Cisco Vision Dynamic Signage Director. A remote non-authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cisco Vision Dynamic Signage Director: 6.2 - 6.2.0 SP4

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vdsd-W7mnkwj7
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu66469

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.