Privilege escalation in Bomgar Remote Support Agent

Published: 2017-10-30 12:51:22
Severity Low
Patch available YES
Number of vulnerabilities 1
CVSSv2 5.3 (AV:L/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
CVSSv3 7.5 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE ID CVE-2017-5996
CWE ID CWE-427
Exploitation vector Local
Public exploit Not available
Vulnerable software Remote Support Agent
Vulnerable software versions Remote Support Agent 16.2.3
Remote Support Agent 16.2.2
Remote Support Agent 16.2.1
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Vendor URL Bomgar
Advisory type Public

Security Advisory

1) Insecure DLL loading

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.

Remediation

Update to version 15.2.3, 16.1.5 or 16.2.4.

External links

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

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