Multiple vulnerabilities in Dell Avamar Data Store Gen5A



Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2022-24422
CVE-2021-28210
CVE-2021-28211
CWE-ID CWE-287
CWE-674
CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Avamar Data Store Gen5A
Other software / Other software solutions

Vendor Dell

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Improper Authentication

EUVDB-ID: #VU66177

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-24422

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote attacker can bypass authentication process and gain access to the VNC Console.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Avamar Data Store Gen5A: All versions

CPE2.3 External links

https://www.dell.com/support/kbdoc/nl-nl/000206085/dsa-2022-344-dell-emc-avamar-ads-gen5a-march-2022-block-release-security-update


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.

2) Uncontrolled Recursion

EUVDB-ID: #VU62014

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-28210

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

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

The vulnerability exists due to an unlimited recursion in DxeCore. A local user can execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Avamar Data Store Gen5A: All versions

CPE2.3 External links

https://www.dell.com/support/kbdoc/nl-nl/000206085/dsa-2022-344-dell-emc-avamar-ads-gen5a-march-2022-block-release-security-update


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.

3) Heap-based buffer overflow

EUVDB-ID: #VU54481

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-28211

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the LzmaUefiDecompressGetInfo() function. A local user can run a specially crafted program to trigger a heap-based buffer overflow and execute arbitrary code with elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Avamar Data Store Gen5A: All versions

CPE2.3 External links

https://www.dell.com/support/kbdoc/nl-nl/000206085/dsa-2022-344-dell-emc-avamar-ads-gen5a-march-2022-block-release-security-update


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.



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