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AUSCERT External Security Bulletin Redistribution
ESB-2019.3366
Cisco Jabber Client Framework for Mac Code Execution Vulnerability
5 September 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Jabber
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-12645
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190904-jcf-codex
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Cisco Jabber Client Framework for Mac Code Execution Vulnerability
Priority: Medium
Advisory ID: cisco-sa-20190904-jcf-codex
First Published: 2019 September 4 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds availableCisco Bug IDs: CSCvq04288
CVE-2019-12645
CWE-20
CVSS Score:
6.7 AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:X/RL:X/RC:X
Summary
o A vulnerability in Cisco Jabber Client Framework (JCF) for Mac Software,
installed as part of the Cisco Jabber for Mac client, could allow an
authenticated, local attacker to execute arbitrary code on an affected
device
The vulnerability is due to improper file level permissions on an affected
device when it is running Cisco JCF for Mac Software. An attacker could
exploit this vulnerability by authenticating to the affected device and
executing arbitrary code or potentially modifying certain configuration
files. A successful exploit could allow the attacker to execute arbitrary
code or modify certain configuration files on the device using the
privileges of the installed Cisco JCF for Mac Software.
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-20190904-jcf-codex
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco JCF for Mac
Software releases 12.6(1) and earlier.
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
For information about fixed software releases, see the Details section in
the bug ID(s) at the top of this advisory.
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 Cisco would like to thank Drew Yao of the Apple SEAR Red Team for reporting
this vulnerability.
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-20190904-jcf-codex
Revision History
o +---------+------------------------+---------+--------+-------------------+
| Version | Description | Section | Status | Date |
+---------+------------------------+---------+--------+-------------------+
| 1.0 | Initial public | - | Final | 2019-September-04 |
| | release. | | | |
+---------+------------------------+---------+--------+-------------------+
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