Multiple vulnerabilities in Dell EMC SupportAssist Enterprise

1) Cleartext storage of sensitive information

EUVDB-ID: #VU51835

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21290

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to insecure usage of temporary files in AbstractDiskHttpData method in Netty. The application stores sensitive information in temporary file that has insecure permissions. A local user can view application's temporary file and gain access to potentially sensitive data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC OpenManage Enterprise Services: before 1.2

Dell Secure Connect Gateway: before 5.0

CPE2.3

• cpe:2.3:a:dell:dell_emc_openmanage_enterprise_services:*:*:*:*:*:*:*:*
• cpe:2.3:a:dell:dell_secure_connect_gateway:*:*:*:*:*:*:*:*

External links

https://www.dell.com/support/kbdoc/en-us/000191056/dsa-2021-167-dell-emc-supportassist-enterprise-security-update-for-third-party-component-vulnerability

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.

2) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU51836

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21295

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests in io.netty:netty-codec-http2 when converting HTTP/2 to HTTP/1 streams. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC OpenManage Enterprise Services: before 1.2

Dell Secure Connect Gateway: before 5.0

CPE2.3

• cpe:2.3:a:dell:dell_emc_openmanage_enterprise_services:*:*:*:*:*:*:*:*
• cpe:2.3:a:dell:dell_secure_connect_gateway:*:*:*:*:*:*:*:*

External links

https://www.dell.com/support/kbdoc/en-us/000191056/dsa-2021-167-dell-emc-supportassist-enterprise-security-update-for-third-party-component-vulnerability

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.

3) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU51837

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21409

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests in io.netty:netty-codec-http2 in Netty, if the request only uses a single Http2HeaderFrame with the endStream set to to true. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC OpenManage Enterprise Services: before 1.2

Dell Secure Connect Gateway: before 5.0

CPE2.3

• cpe:2.3:a:dell:dell_emc_openmanage_enterprise_services:*:*:*:*:*:*:*:*
• cpe:2.3:a:dell:dell_secure_connect_gateway:*:*:*:*:*:*:*:*

External links

https://www.dell.com/support/kbdoc/en-us/000191056/dsa-2021-167-dell-emc-supportassist-enterprise-security-update-for-third-party-component-vulnerability

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.