EMC Avamar Authentication Bypass And Arbitrary File Upload Vulnerabilities

BID:99243

Info

EMC Avamar Authentication Bypass And Arbitrary File Upload Vulnerabilities

Bugtraq ID: 99243
Class: Input Validation Error
CVE: CVE-2017-4990
CVE-2017-4989
Remote: Yes
Local: No
Published: Jun 23 2017 12:00AM
Updated: Jun 23 2017 12:00AM
Credit: The vendor reported these issues.
Vulnerable: EMC Avamar 7.4.1-58
EMC Avamar 7.4.0-242
EMC Avamar 7.3.1-125
EMC Avamar 7.3.0-233
EMC Avamar 7.3.0-226
EMC Avamar 7.2.1-32
EMC Avamar 7.2.1-31
EMC Avamar 7.2.0-401
Not Vulnerable:

Discussion

EMC Avamar Authentication Bypass And Arbitrary File Upload Vulnerabilities

EMC Avamar is prone to an authentication-bypass vulnerability and an arbitrary-file-upload vulnerability because it fails to adequately sanitize user-supplied input.

Attackers can leverage these issues to bypass the authentication mechanism, gain unauthorized access and upload arbitrary files to the affected computer; this can result in arbitrary code execution within the context of the vulnerable application or privilege escalation.

The following versions are affected:

EMC Avamar 7.4.1-58, 7.4.0-242 for [CVE-2017-4990]
EMC Avamar 7.3.1-125, 7.3.0-233, 7.3.0-226 for [CVE-2017-4989, CVE-2017-4990]
EMC Avamar 7.2.1-32, 7.2.1-31, 7.2.0-401 for [CVE-2017-4989]

Exploit / POC

EMC Avamar Authentication Bypass And Arbitrary File Upload Vulnerabilities

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

EMC Avamar Authentication Bypass And Arbitrary File Upload Vulnerabilities

Solution:
Updates are available. Please see the references or vendor advisory for more information.

References

EMC Avamar Authentication Bypass And Arbitrary File Upload Vulnerabilities

References:

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