Multiple vulnerabilities in Dell iDRAC9



Published: 2021-04-30 | Updated: 2022-08-10
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-21544
CVE-2021-21543
CWE-ID CWE-287
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		iDRAC9
Web applications / Remote management & hosting panels

Vendor Dell

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authentication

EUVDB-ID: #VU66218

Risk: Low

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

CVE-ID: CVE-2021-21544

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote user with high privileges can exploit this vulnerability to manipulate the username field under the comment section and set the value to any user.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

iDRAC9: 2.65.65.65 - 4.32.10.00

External links

http://www.dell.com/support/kbdoc/000185293


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.

2) Cross-site scripting

EUVDB-ID: #VU66217

Risk: Medium

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21543

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 user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user with high privileges 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

iDRAC9: 2.65.65.65 - 4.32.10.00

External links

http://www.dell.com/support/kbdoc/000185293


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.



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