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AUSCERT External Security Bulletin Redistribution
ESB-2019.3204
Cisco RoomOS Software Privilege Escalation Vulnerability
22 August 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco RoomOS
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Root Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-12622
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-roomos-privesc
- --------------------------BEGIN INCLUDED TEXT--------------------
Cisco RoomOS Software Privilege Escalation Vulnerability
Priority: Medium
Advisory ID: cisco-sa-20190821-roomos-privesc
First Published: 2019 August 21 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds availableCisco Bug IDs: CSCvp79711
CVE-2019-12622
CWE-275
CVSS Score:
4.1 AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N/E:X/RL:X/RC:X
Summary
o A vulnerability in Cisco RoomOS Software could allow an authenticated,
local attacker to write files to the underlying filesystem with root
privileges.
The vulnerability is due to insufficient permission restrictions on a
specific process. An attacker could exploit this vulnerability by logging
in to an affected device with remote support credentials and initiating the
specific process on the device and sending crafted data to that process. A
successful exploit could allow the attacker to write files to the
underlying file system with root privileges.
Cisco has released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/
cisco-sa-20190821-roomos-privesc
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco RoomOS
Software releases earlier than Release ce-9.7.3.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory
are known to be affected by this vulnerability.
Workarounds
o There are no workarounds that address this vulnerability.
Fixed Software
o When considering software upgrades , customers are advised to regularly
consult the advisories for Cisco products, which are available from the
Cisco Security Advisories and Alerts page , to determine exposure and a
complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded
contain sufficient memory and confirm that current hardware and software
configurations will continue to be supported properly by the new release.
If the information is not clear, customers are advised to contact the Cisco
Technical Assistance Center (TAC) or their contracted maintenance
providers.
Fixed Releases
At the time of publication, Cisco RoomOS Software releases ce-9.7.3 and
later and ce-9.8.0 and later contained the fix for this vulnerability.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Exploitation and Public Announcements
o The Cisco Product Security Incident Response Team (PSIRT) is not aware of
any public announcements or malicious use of the vulnerability that is
described in this advisory.
Source
o This vulnerability was found during internal security testing.
Cisco Security Vulnerability Policy
o To learn about Cisco security vulnerability disclosure policies and
publications, see the Security Vulnerability Policy . This document also
contains instructions for obtaining fixed software and receiving security
vulnerability information from Cisco.
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/
cisco-sa-20190821-roomos-privesc
Revision History
o +---------+--------------------------+---------+--------+-----------------+
| Version | Description | Section | Status | Date |
+---------+--------------------------+---------+--------+-----------------+
| 1.0 | Initial public release. | - | Final | 2019-August-21 |
+---------+--------------------------+---------+--------+-----------------+
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