SB2021101003 - Dell EMC Enterprise Hybrid Cloud update for VMware products
Published: October 10, 2021 Updated: February 1, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 37 secuirty vulnerabilities.
1) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2021-21975)
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input within the vRealize Operations Manager API. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
2) Improper Authentication (CVE-ID: CVE-2021-22012)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to missing authentication to the appliance management API. A remote non-authenticated attacker can with access to port 443/TCP can gain access to sensitive information on the system.
3) Improper Authorization (CVE-ID: CVE-2021-22006)
The vulnerability allows a remote attacker to gain unauthorized access to the system.
The vulnerability exist due to improper URI handling in reverse proxy. A remote non-authenticate attacker can send a specially crafted HTTP request to port 443/TCP and access restricted endpoints.4) Information disclosure (CVE-ID: CVE-2021-22007)
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in the Analytics service. A local user can gain unauthorized access to sensitive information on the system.
5) Information disclosure (CVE-ID: CVE-2021-22008)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in VAPI (vCenter API) service. A remote attacker with access to port 443/TCP can gain unauthorized access to sensitive information on the system.
6) Resource exhaustion (CVE-ID: CVE-2021-22009)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources within the VAPI (vCenter API) service. A remote attacker can send specially crafted HTTP request to port 443/TCP and perform a denial of service (DoS) attack.
7) Resource exhaustion (CVE-ID: CVE-2021-22010)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources within the VPXD (Virtual Provisioning X Daemon) service. A remote attacker can send a secially crafted HTTP request to port 443/TCP and consume all available memory resources.
8) Improper Authentication (CVE-ID: CVE-2021-22011)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to missing authentication for an API endpoint in vCenter Server Content Library. A remote non-authenticated attacker with access to port 443/TCP can gain unauthorized access to the system and perform unauthenticated VM network setting manipulation.
9) Path traversal (CVE-ID: CVE-2021-22013)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the appliance management API. A remote non-authenticated attacker can send a specially crafted HTTP request to port 443/TCP and read arbitrary files on the system.
10) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2021-21993)
The disclosed vulnerability allows a remote user to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
11) Code Injection (CVE-ID: CVE-2021-22014)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in VAMI (Virtual Appliance Management Infrastructure). A remote authenticated VAMI user can send a specially crafted request to port 5480/TCP and execute arbitrary code on the target system.
12) Incorrect default permissions (CVE-ID: CVE-2021-22015)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions for files and folders that are set by the system. A local user with access to the system can escalate privilege to root on vCenter Server Appliance.
13) Cross-site scripting (CVE-ID: CVE-2021-22016)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
14) Improper Authorization (CVE-ID: CVE-2021-22017)
The vulnerability allows a remote attacker to gain unauthorized access to the system.
The vulnerability exist due to improper implementation of URI normalization in rhttpproxy. A remote non-authenticate attacker can request a specially crafted URL, bypass rhttpproxy and access internal endpoints.
15) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-22018)
The vulnerability allows a remote attacker to delete arbitrary files on the system.
The vulnerability exists due to improperly imposed security restrictions in a VMware vSphere Life-cycle Manager plug-in. A remote non-authenticated attacker can send a specially crafted request to port 9087/TCP and delete non critical files.
16) Input validation error (CVE-ID: CVE-2021-22019)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in VAPI (vCenter API) service. A remote attacker can pass specially crafted crafted jsonrpc message to port 5480/TCP and perform a denial of service (DoS) attack.
17) Input validation error (CVE-ID: CVE-2021-22020)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the Analytics service. A remote user can send a specially crafted request to the application and perform a denial of service (DoS) attack.
18) Arbitrary file upload (CVE-ID: CVE-2021-22005)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload within the Analytics service. A remote non-authenticated attacker with network access to port 443/TCP can upload and execute arbitrary file on the server.
Successful exploitation of the vulnerability may results in full compromise of the affected system.
Note, we are aware of the vulnerability being exploited in the wild as of September 23.
19) Input validation error (CVE-ID: CVE-2021-21992)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when parsing XML data. A remote user can pass specially crafted XML data to the application and perform a denial of service (DoS) attack.
20) Arbitrary file upload (CVE-ID: CVE-2021-21983)
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload in vRealize Operations Manager API. A remote privileged user can upload a malicious file and execute it on the server.
21) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2021-22002)
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input in the /cfg web app and diagnostic endpoints. A remote attacker can send a specially crafted HTTP request with a modified HTTP Host header to port 443/TCP and access the /cfg web application, available at port 8443. As a result, a remote non-authenticated attacker can perform SSRF attack and gain access to services in the internal network.
22) Code Injection (CVE-ID: CVE-2021-21984)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to an unauthorised endpoint. A remote attacker can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
23) Input validation error (CVE-ID: CVE-2021-21985)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input within the Virtual SAN Health Check plug-in, which is enabled by default. A remote non-authenticated attacker can send a specially crafted HTTP request to the vSphere Client available at port 443/tcp and execute arbitrary commands with unrestricted privileges on the underlying operating system that hosts vCenter Server.
24) Improper Authentication (CVE-ID: CVE-2021-21986)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests to the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A remote non-authenticated attacker can bypass authentication process and gain unauthorized access to the application.
25) Input validation error (CVE-ID: CVE-2021-21997)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the VM3DMP driver. A local unprivileged user on the guest operating system can trigger panic in the VM3DMP and perform a denial of service (DoS) attack against the guest operating system.
26) Unquoted Search Path or Element (CVE-ID: CVE-2021-21999)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to uncontrolled search path within the VGAuthService service when validating a user-supplied OpenSSL configuration file prior to using it. A local user can supply a specially crafted file to execute arbitrary code in the context of SYSTEM.
27) Improper Authentication (CVE-ID: CVE-2021-21994)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests in SFCB (Small Footprint CIM Broker). A remote attacker can send specially crafted requests to port 5989/tcp, bypass SFCB authentication and gain unauthorized access to the system.
28) Out-of-bounds read (CVE-ID: CVE-2021-21995)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when processing requests within the OpenSLP service. A remote attacker can send a specially crafted request to port 427/UDP, trigger a heap out-of-bounds read and perform a denial of service attack.
29) Unprotected primary channel (CVE-ID: CVE-2021-22003)
undefined30) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21991)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way the vCenter Server handles session tokens. A local user can escalate privileges to Administrator on the vSphere Client (HTML5) or vCenter Server vSphere Web Client (FLEX/Flash).
31) Information disclosure (CVE-ID: CVE-2021-22022)
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote administrator can gain unauthorized access to sensitive information on the system.
32) Input validation error (CVE-ID: CVE-2021-22023)
The vulnerability allows a remote user to compromise the target system.
The vulnerability exists due to insecure direct object reference issue. A remote administrator can modify other users information leading to an account takeover.
33) Information disclosure (CVE-ID: CVE-2021-22024)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote attacker can read any log file resulting in sensitive information disclosure.
34) Improper access control (CVE-ID: CVE-2021-22025)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A remote attacker can add new nodes to existing vROps cluster.
35) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2021-22026)
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
36) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2021-22027)
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
37) Cross-site scripting (CVE-ID: CVE-2021-22021)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.