Headline
CVE-2021-21540: DSA-2021-073: Dell iDRAC 9 Security Update for Multiple Vulnerabilities
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a stack-based overflow vulnerability. A remote authenticated attacker could potentially exploit this vulnerability to overwrite configuration information by injecting arbitrarily large payload.
Vaikutus
Medium
Tiedot
Proprietary Code CVE(s)
Description
CVSS Base Score
CVSS Vector String
CVE-2021-21539
Dell iDRAC9 versions prior to 4.40.00.00 contain a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A remote authenticated attacker may potentially exploit this vulnerability to gain elevated privileges when a user with higher privileges is simultaneously accessing iDRAC through the web interface.
5.9
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L
CVE-2021-21540
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a stack-based overflow vulnerability. A remote authenticated attacker may potentially exploit this vulnerability to overwrite configuration information by injecting arbitrarily large payload.
5.9
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
CVE-2021-21541
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a DOM-based cross-site scripting vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by tricking a victim application user to supply malicious HTML or JavaScript code to DOM environment in the browser. The malicious code is then executed by the web browser in the context of the vulnerable web application.
6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVE-2021-21542
Dell EMC iDRAC9 versions prior to 4.40.10.00 contain multiple stored cross-site scripting vulnerabilities. A remote authenticated malicious user with high privileges may potentially exploit these vulnerabilities to store malicious HTML or JavaScript code through multiple affected while generating a certificate. When victim users access the submitted data through their browsers, the malicious code gets executed by the web browser in the context of the vulnerable application.
4.8
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVE-2021-21543
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain multiple stored cross-site scripting vulnerabilities. A remote authenticated malicious user with high privileges may potentially exploit these vulnerabilities to store malicious HTML or JavaScript code through multiple affected parameters. When victim users access the submitted data through their browsers, the malicious code gets executed by the web browser in the context of the vulnerable application.
4.8
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVE-2021-21544
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain an improper authentication vulnerability. A remote authenticated malicious user with high privileges may potentially exploit this vulnerability to manipulate the username field under the comment section and set the value to any user.
2.7
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Proprietary Code CVE(s)
Description
CVSS Base Score
CVSS Vector String
CVE-2021-21539
Dell iDRAC9 versions prior to 4.40.00.00 contain a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A remote authenticated attacker may potentially exploit this vulnerability to gain elevated privileges when a user with higher privileges is simultaneously accessing iDRAC through the web interface.
5.9
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L
CVE-2021-21540
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a stack-based overflow vulnerability. A remote authenticated attacker may potentially exploit this vulnerability to overwrite configuration information by injecting arbitrarily large payload.
5.9
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
CVE-2021-21541
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a DOM-based cross-site scripting vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by tricking a victim application user to supply malicious HTML or JavaScript code to DOM environment in the browser. The malicious code is then executed by the web browser in the context of the vulnerable web application.
6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVE-2021-21542
Dell EMC iDRAC9 versions prior to 4.40.10.00 contain multiple stored cross-site scripting vulnerabilities. A remote authenticated malicious user with high privileges may potentially exploit these vulnerabilities to store malicious HTML or JavaScript code through multiple affected while generating a certificate. When victim users access the submitted data through their browsers, the malicious code gets executed by the web browser in the context of the vulnerable application.
4.8
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVE-2021-21543
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain multiple stored cross-site scripting vulnerabilities. A remote authenticated malicious user with high privileges may potentially exploit these vulnerabilities to store malicious HTML or JavaScript code through multiple affected parameters. When victim users access the submitted data through their browsers, the malicious code gets executed by the web browser in the context of the vulnerable application.
4.8
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVE-2021-21544
Dell EMC iDRAC9 versions prior to 4.40.00.00 contain an improper authentication vulnerability. A remote authenticated malicious user with high privileges may potentially exploit this vulnerability to manipulate the username field under the comment section and set the value to any user.
2.7
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
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CVE(s)
Product
Affected Version(s)
Updated Version(s)
Link to Update
CVE-2021-21539
iDRAC9
Versions prior to 4.40.00.00
4.40.00.00 and later
Customers can download software, including the latest release of iDRAC firmware, from the Dell Support site.
https://www.dell.com/support/home/
Customers can find the iDRAC documentation from the Dell EMC Support site.
www.dell.com/idracmanuals
CVE-2021-21540
CVE-2021-21541
CVE-2021-21543
CVE-2021-21544
CVE-2021-21542
iDRAC9
Versions prior to 4.40.10.00
4.40.10.00 and later
CVE(s)
Product
Affected Version(s)
Updated Version(s)
Link to Update
CVE-2021-21539
iDRAC9
Versions prior to 4.40.00.00
4.40.00.00 and later
Customers can download software, including the latest release of iDRAC firmware, from the Dell Support site.
https://www.dell.com/support/home/
Customers can find the iDRAC documentation from the Dell EMC Support site.
www.dell.com/idracmanuals
CVE-2021-21540
CVE-2021-21541
CVE-2021-21543
CVE-2021-21544
CVE-2021-21542
iDRAC9
Versions prior to 4.40.10.00
4.40.10.00 and later
Kiitokset
CVE-2021-21541: Dell would like to thank Fabian Bräunlein of Positive Security.
CVE-2021-21542, CVE-2021-21543, and CVE-2021-21544: Dell would like to thank Tomasz Holeksa.
Versiohistoria
Revision
Date
Description
1.0
2021-04-14
Initial Release
Asiaan liittyvät tiedot
Dell Security Advisories and Notices
Dell Vulnerability Response Policy
CVSS Scoring Guide
20 huhtik. 2021