Multiple vulnerabilities in Adobe Creative Cloud Desktop



Published: 2021-06-09
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2021-28633
CVE-2021-28594
CWE ID CWE-377
CWE-427
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Creative Cloud Desktop Application
Universal components / Libraries / Software for developers

Vendor Adobe

Security Advisory

1) Insecure Temporary File

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-28633

CWE-ID: CWE-377 - Insecure Temporary File

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insecure temporary files handling within the installer component in the Creative Cloud Desktop. A local user can overwrite temporary files during installation and execute privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Creative Cloud Desktop Application: 5.0.0.354, 5.1.0.407, 5.2.0.436, 5.2.1.441, 5.3.1.470, 5.3.5.499, 5.3.5.518, 5.4.1.534, 5.4.2.540, 5.4.2.541, 5.4.3.3.12.11.1, 5.4.3.544

CPE External links

https://helpx.adobe.com/security/products/creative-cloud/apsb21-41.html

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) Insecure DLL loading

Risk: Medium

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-28594

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to installer for Creative Cloud Desktop loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into launching the installation file from that directory and execute arbitrary code on victim's system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Creative Cloud Desktop Application: 5.0, 5.0.0.354, 5.1.0.407, 5.2.0.436, 5.2.1.441, 5.3.1.470, 5.3.5.499, 5.3.5.518, 5.4.1.534, 5.4.2.540, 5.4.2.541, 5.4.3.3.12.11.1, 5.4.3.544

CPE External links

https://helpx.adobe.com/security/products/creative-cloud/apsb21-41.html

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.



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