Vulnerabilities > CVE-2020-5319 - Improper Validation of Array Index vulnerability in Dell products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
Dell EMC Unity, Dell EMC Unity XT, and Dell EMC UnityVSA versions prior to 5.0.2.0.5.009 contain a Denial of Service vulnerability on NAS Server SSH implementation that is used to provide SFTP service on a NAS server. A remote unauthenticated attacker may potentially exploit this vulnerability and cause a Denial of Service (Storage Processor Panic) by sending an out of order SSH protocol sequence.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Overflow Buffers Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
References
- https://www.dell.com/support/security/en-us/details/540336/DSA-2020-019-Dell-EMC-Unity-Family-Dell-EMC-Unity-XT-Family-Denial-of-Service-Vulnerability
- https://www.dell.com/support/security/en-us/details/540336/DSA-2020-019-Dell-EMC-Unity-Family-Dell-EMC-Unity-XT-Family-Denial-of-Service-Vulnerability