SB2022102060 - Multiple vulnerabilities in Dell Data Domain

Description

This security bulletin contains information about 6 secuirty vulnerabilities.

1) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2021-21539)

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

The vulnerability exists due to a Time-of-check Time-of-use (TOCTOU) race condition. A remote unauthenticated attacker can exploit this vulnerability to gain elevated privileges when a user with higher privileges is simultaneously accessing iDRAC through the web interface.

2) Stack-based buffer overflow (CVE-ID: CVE-2021-21540)

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when #CONDITION1#. A remote user can exploit this vulnerability to overwrite configuration information by injecting arbitrarily large payload.

3) Cross-site scripting (CVE-ID: CVE-2021-21541)

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.

4) Cross-site scripting (CVE-ID: CVE-2021-21542)

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 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.

5) Cross-site scripting (CVE-ID: CVE-2021-21543)

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.

6) Improper Authentication (CVE-ID: CVE-2021-21544)

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.

Remediation

Install update from vendor's website.

References

• https://www.dell.com/support/kbdoc/en-us/000189463/dsa-2021-122-dell-emc-security-update-for-idrac9-vulnerabilities