#VU54384 Buffer overflow in Dell products - CVE-2021-21573
Vulnerability identifier: #VU54384
Vulnerability risk: Low
CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Alienware m15 R6
Hardware solutions /
Firmware
ChengMing 3990
Hardware solutions /
Firmware
ChengMing 3991
Hardware solutions /
Firmware
Dell G15 5510
Hardware solutions /
Firmware
Dell G15 5511
Hardware solutions /
Firmware
Dell G3 3500
Hardware solutions /
Firmware
Dell G5 5500
Hardware solutions /
Firmware
Dell G7 7500
Hardware solutions /
Firmware
Dell G7 7700
Hardware solutions /
Firmware
Inspiron 15 7510
Hardware solutions /
Firmware
Inspiron 3501
Hardware solutions /
Firmware
Inspiron 3880
Hardware solutions /
Firmware
Inspiron 3881
Hardware solutions /
Firmware
Inspiron 3891
Hardware solutions /
Firmware
Inspiron 5300
Hardware solutions /
Firmware
Inspiron 5301
Hardware solutions /
Firmware
Inspiron 5310
Hardware solutions /
Firmware
Inspiron 5400 2n1
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Firmware
Inspiron 5400 AIO
Hardware solutions /
Firmware
Inspiron 5401
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Firmware
Inspiron 5401 AIO
Hardware solutions /
Firmware
Inspiron 5402
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Firmware
Inspiron 5406 2n1
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Firmware
Inspiron 5408
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Firmware
Inspiron 5409
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Firmware
Inspiron 5410 2-in-1
Hardware solutions /
Firmware
Inspiron 5501
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Firmware
Inspiron 5502
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Firmware
Inspiron 5508
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Firmware
Inspiron 5509
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Firmware
Inspiron 7300
Hardware solutions /
Firmware
Inspiron 7300 2n1
Hardware solutions /
Firmware
Inspiron 7306 2n1
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Firmware
Inspiron 7400
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Firmware
Inspiron 7500
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Firmware
Inspiron 7500 2n1 - Black
Hardware solutions /
Firmware
Inspiron 7500 2n1 - Silver
Hardware solutions /
Firmware
Inspiron 7501
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Firmware
Inspiron 7506 2n1
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Firmware
Inspiron 7610
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Firmware
Inspiron 7700 AIO
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Firmware
Inspiron 7706 2n1
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Firmware
Latitude 3120
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Firmware
Latitude 3320
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Firmware
Latitude 3410
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Firmware
Latitude 3420
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Firmware
Latitude 3510
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Firmware
Latitude 3520
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Latitude 5310
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Firmware
Latitude 5310 2 in 1
Hardware solutions /
Firmware
Latitude 5320
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Firmware
Latitude 5320 2-in-1
Hardware solutions /
Firmware
Latitude 5410
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Firmware
Latitude 5411
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Firmware
Latitude 5420
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Firmware
Latitude 5510
Hardware solutions /
Firmware
Latitude 5511
Hardware solutions /
Firmware
Latitude 5520
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Firmware
Latitude 7210 2-in-1
Hardware solutions /
Firmware
Latitude 7310
Hardware solutions /
Firmware
Latitude 7320
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Firmware
Latitude 7410
Hardware solutions /
Firmware
Latitude 7420
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Firmware
Latitude 7520
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Firmware
Latitude 9410
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Firmware
Latitude 9420
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Firmware
Latitude 9510
Hardware solutions /
Firmware
Latitude 9520
Hardware solutions /
Firmware
OptiPlex 3080
Hardware solutions /
Firmware
OptiPlex 3090 UFF
Hardware solutions /
Firmware
OptiPlex 3280 All-in-One
Hardware solutions /
Firmware
OptiPlex 5080
Hardware solutions /
Firmware
OptiPlex 5090 Tower
Hardware solutions /
Firmware
OptiPlex 5490 AIO
Hardware solutions /
Firmware
OptiPlex 7080
Hardware solutions /
Firmware
OptiPlex 7090 Tower
Hardware solutions /
Firmware
OptiPlex 7090 UFF
Hardware solutions /
Firmware
OptiPlex 7480 All-in-One
Hardware solutions /
Firmware
OptiPlex 7490 All-in-One
Hardware solutions /
Firmware
OptiPlex 7780 All-in-One
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Firmware
Precision 17 M5750
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Firmware
Precision 3440
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Firmware
Precision 3450
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Firmware
Precision 3550
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Precision 3551
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Firmware
Precision 3560
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Precision 3640
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Precision 3650 MT
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Firmware
Precision 5550
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Firmware
Precision 5560
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Firmware
Precision 5760
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Firmware
Precision 7550
Hardware solutions /
Firmware
Precision 7560
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Firmware
Precision 7750
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Firmware
Precision 7760
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Firmware
Vostro 15 7510
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Firmware
Vostro 3400
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Firmware
Vostro 3500
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Firmware
Vostro 3501
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Firmware
Vostro 3681
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Firmware
Vostro 3690
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Firmware
Vostro 3881
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Firmware
Vostro 3888
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Firmware
Vostro 3890
Hardware solutions /
Firmware
Vostro 5300
Hardware solutions /
Firmware
Vostro 5301
Hardware solutions /
Firmware
Vostro 5310
Hardware solutions /
Firmware
Vostro 5401
Hardware solutions /
Firmware
Vostro 5402
Hardware solutions /
Firmware
Vostro 5501
Hardware solutions /
Firmware
Vostro 5502
Hardware solutions /
Firmware
Vostro 5880
Hardware solutions /
Firmware
Vostro 5890
Hardware solutions /
Firmware
Vostro 7500
Hardware solutions /
Firmware
XPS 13 9305
Hardware solutions /
Firmware
XPS 13 2in1 9310
Hardware solutions /
Firmware
XPS 13 9310
Hardware solutions /
Firmware
XPS 15 9500
Hardware solutions /
Firmware
XPS 15 9510
Hardware solutions /
Firmware
XPS 17 9700
Hardware solutions /
Firmware
XPS 17 9710
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Firmware
Vendor: Dell
Description
The vulnerability allows a local user to compromise the affected system.
The
vulnerability exists due to a boundary error within Dell BIOSConnect
feature. A local user with privileged access to the system can bypass
UEFI restrictions and execute arbitrary code.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Alienware m15 R6: before 1.3.3
ChengMing 3990: before 1.4.1
ChengMing 3991: before 1.4.1
Dell G15 5510: before 1.4.0
Dell G15 5511: before 1.3.3
Dell G3 3500: before 1.9.0
Dell G5 5500: before 1.9.0
Dell G7 7500: before 1.9.0
Dell G7 7700: before 1.9.0
Inspiron 15 7510: before 1.0.4
Inspiron 3501: before 1.6.0
Inspiron 3880: before 1.4.1
Inspiron 3881: before 1.4.1
Inspiron 3891: before 1.0.11
Inspiron 5300: before 1.7.1
Inspiron 5301: before 1.8.1
Inspiron 5310: before 2.1.0
Inspiron 5400 2n1: before 1.7.0
Inspiron 5400 AIO: before 1.4.0
Inspiron 5401: before 1.7.2
Inspiron 5401 AIO: before 1.4.0
Inspiron 5402: before 1.5.1
Inspiron 5406 2n1: before 1.5.1
Inspiron 5408: before 1.7.2
Inspiron 5409: before 1.5.1
Inspiron 5410 2-in-1: before 2.1.0
Inspiron 5501: before 1.7.2
Inspiron 5502: before 1.5.1
Inspiron 5508: before 1.7.2
Inspiron 5509: before 1.5.1
Inspiron 7300: before 1.8.1
Inspiron 7300 2n1: before 1.3.0
Inspiron 7306 2n1: before 1.5.1
Inspiron 7400: before 1.8.1
Inspiron 7500: before 1.8.0
Inspiron 7500 2n1 - Black: before 1.3.0
Inspiron 7500 2n1 - Silver: before 1.3.0
Inspiron 7501: before 1.8.0
Inspiron 7506 2n1: before 1.5.1
Inspiron 7610: before 1.0.4
Inspiron 7700 AIO: before 1.4.0
Inspiron 7706 2n1: before 1.5.1
Latitude 3120: before 1.1.0
Latitude 3320: before 1.4.0
Latitude 3410: before 1.9.0
Latitude 3420: before 1.8.0
Latitude 3510: before 1.9.0
Latitude 3520: before 1.8.0
Latitude 5310: before 1.7.0
Latitude 5310 2 in 1: before 1.7.0
Latitude 5320: before 1.7.1
Latitude 5320 2-in-1: before 1.7.1
Latitude 5410: before 1.6.0
Latitude 5411: before 1.6.0
Latitude 5420: before 1.8.0
Latitude 5510: before 1.6.0
Latitude 5511: before 1.6.0
Latitude 5520: before 1.7.1
Latitude 7210 2-in-1: before 1.7.0
Latitude 7310: before 1.7.0
Latitude 7320: before 1.7.1
Latitude 7410: before 1.7.0
Latitude 7420: before 1.7.1
Latitude 7520: before 1.7.1
Latitude 9410: before 1.7.0
Latitude 9420: before 1.4.1
Latitude 9510: before 1.6.0
Latitude 9520: before 1.5.2
OptiPlex 3080: before 2.1.1
OptiPlex 3090 UFF: before 1.2.0
OptiPlex 3280 All-in-One: before 1.7.0
OptiPlex 5080: before 1.4.0
OptiPlex 5090 Tower: before 1.1.35
OptiPlex 5490 AIO: before 1.3.0
OptiPlex 7080: before 1.4.0
OptiPlex 7090 Tower: before 1.1.35
OptiPlex 7090 UFF: before 1.2.0
OptiPlex 7480 All-in-One: before 1.7.0
OptiPlex 7490 All-in-One: before 1.3.0
OptiPlex 7780 All-in-One: before 1.7.0
Precision 17 M5750: before 1.8.2
Precision 3440: before 1.4.0
Precision 3450: before 1.1.35
Precision 3550: before 1.6.0
Precision 3551: before 1.6.0
Precision 3560: before 1.7.1
Precision 3640: before 1.6.2
Precision 3650 MT: before 1.2.0
Precision 5550: before 1.8.1
Precision 5560: before 1.3.2
Precision 5760: before 1.1.3
Precision 7550: before 1.8.0
Precision 7560: before 1.1.2
Precision 7750: before 1.8.0
Precision 7760: before 1.1.2
Vostro 15 7510: before 1.0.4
Vostro 3400: before 1.6.0
Vostro 3500: before 1.6.0
Vostro 3501: before 1.6.0
Vostro 3681: before 2.4.0
Vostro 3690: before 1.0.11
Vostro 3881: before 2.4.0
Vostro 3888: before 2.4.0
Vostro 3890: before 1.0.11
Vostro 5300: before 1.7.1
Vostro 5301: before 1.8.1
Vostro 5310: before 2.1.0
Vostro 5401: before 1.7.2
Vostro 5402: before 1.5.1
Vostro 5501: before 1.7.2
Vostro 5502: before 1.5.1
Vostro 5880: before 1.4.0
Vostro 5890: before 1.0.11
Vostro 7500: before 1.8.0
XPS 13 9305: before 1.0.8
XPS 13 2in1 9310: before 2.3.3
XPS 13 9310: before 3.0.0
XPS 15 9500: before 1.8.1
XPS 15 9510: before 1.3.2
XPS 17 9700: before 1.8.2
XPS 17 9710: before 1.1.3
External links
https://www.dell.com/support/kbdoc/en-us/000188682
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
