Vulnerability identifier: #VU26195

Vulnerability risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-3766

CWE-ID: CWE-276

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Genuine Integrity Service
Client/Desktop applications / Other client software

Vendor: Adobe

Description

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

The vulnerability exists due within the handling of BMP files by the Adobe Genuine Software Service. The issue results from incorrect permissions set on a resource used by the service. A local user with access to the system can view contents of files and directories or modify them.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Genuine Integrity Service: 6.0 - 6.4.2

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External links
http://helpx.adobe.com/security/products/integrity_service/apsb20-12.html
http://www.zerodayinitiative.com/advisories/ZDI-20-327/
http://www.zerodayinitiative.com/advisories/ZDI-20-326/

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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. However, proof of concept for this vulnerability is available.