VDB-93943 · CVE-2016-9638 · BID 95009

BMC Patrol up to Environment Variable access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as critical was found in BMC Patrol up to Affected by this vulnerability is an unknown part. The manipulation as part of a Environment Variable leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In BMC Patrol before, the binary "listguests64" is configured with the setuid bit. However, when executing it, it will look for a binary named "virsh" using the PATH environment variable. The "listguests64" program will then run "virsh" using root privileges. This allows local users to elevate their privileges to root.

The weakness was presented 12/02/2016 (Website). It is possible to read the advisory at bmc.com. This vulnerability is known as CVE-2016-9638. The exploitation appears to be easy. Attacking locally is a requirement. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version eliminates this vulnerability.

See 127520 for similar entry.





  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Patrol


11/24/2016 🔍
12/02/2016 +8 days 🔍
12/02/2016 +0 days 🔍
12/02/2016 +0 days 🔍
12/03/2016 +1 days 🔍
10/04/2022 +2131 days 🔍


Advisory: bmc.com
Status: Confirmed

CVE: CVE-2016-9638 (🔍)
SecurityTracker: 1037385 - BMC Patrol 'listguests64' Utility setuid Settings Lets Local Users Obtain Root Privileges
SecurityFocus: 95009

See also: 🔍


Created: 12/03/2016 07:03 PM
Updated: 10/04/2022 06:50 PM
Changes: 12/03/2016 07:03 PM (42), 05/17/2018 11:27 PM (13), 10/04/2022 06:43 PM (2), 10/04/2022 06:50 PM (10)
Complete: 🔍


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