Multiple vulnerabilities in Oracle Secure Global Desktop



Published: 2021-04-21
Risk High
Patch available YES
Number of vulnerabilities 4
CVE ID CVE-2021-3450
CVE-2021-2221
CVE-2021-2248
CVE-2021-2177
CWE ID CWE-254
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Oracle Secure Global Desktop
Client/Desktop applications / Virtualization software

Vendor Oracle

Security Advisory

1) Security features bypass

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-3450

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error in implementation of the X509_V_FLAG_X509_STRICT flag allows an attacker to overwrite a valid CA certificate using any non-CA certificate in the chain. As a result, a remote attacker can perform MitM attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Secure Global Desktop: 5.6

CPE External links

https://www.oracle.com/security-alerts/cpuapr2021.html?150

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper input validation

Risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-2221

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper input validation within the Client component in Oracle Secure Global Desktop. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Secure Global Desktop: 5.6

CPE External links

https://www.oracle.com/security-alerts/cpuapr2021.html?150

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper input validation

Risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-2248

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper input validation within the Server component in Oracle Secure Global Desktop. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Secure Global Desktop: 5.6

CPE External links

https://www.oracle.com/security-alerts/cpuapr2021.html?150

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Improper input validation

Risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-2177

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper input validation within the Gateway component in Oracle Secure Global Desktop. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Secure Global Desktop: 5.6

CPE External links

https://www.oracle.com/security-alerts/cpuapr2021.html?150

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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