#VU8980 Insecure DLL loading in Remote Support Agent - CVE-2017-5996

Vulnerability identifier: #VU8980

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-5996

CWE-ID: CWE-427

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Remote Support Agent
Client/Desktop applications / Other client software

Vendor: Bomgar

Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to insecure .dll loading mechanism when opening files. A local attacker can place a file along with specially crafted .dll file in the Bomgar directory in 'C:\ProgramData\' and execute arbitrary code on the target system with elevated privileges.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Update to version 15.2.3, 16.1.5 or 16.2.4.

Vulnerable software versions

Remote Support Agent: 15.2.0 - 16.2.3

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External links
https://www.vsecurity.com//download/advisories/20171026-1.txt

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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.