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AUSCERT External Security Bulletin Redistribution
ESB-2021.0252
Cisco Unified Communications Products Vulnerabilities
21 January 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Unified Communications Products
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Access Confidential Data -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-1364 CVE-2021-1357 CVE-2021-1355
CVE-2021-1282
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-imp-trav-inj-dM687ZD6
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Cisco Unified Communications Products Vulnerabilities
Priority: Medium
Advisory ID: cisco-sa-imp-trav-inj-dM687ZD6
First Published: 2021 January 20 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvv20974 CSCvv20985 CSCvv62642 CSCvv62648
CVE Names: CVE-2021-1282 CVE-2021-1355 CVE-2021-1357 CVE-2021-1364
CWEs: CWE-35 CWE-89
Summary
o Multiple vulnerabilities in Cisco Unified Communications Manager IM &
Presence Service (Unified CM IM&P) could allow an attacker to conduct path
traversal attacks and SQL injection attacks on an affected system. One of
the SQL injection vulnerabilities that affects Unified CM IM&P also affects
Cisco Unified Communications Manager (Unified CM) and Cisco Unified
Communications Manager Session Management Edition (Unified CM SME) and
could allow an attacker to conduct SQL injection attacks on an affected
system.
For more information about these vulnerabilities, see the Details section
of this advisory.
Cisco has released software updates that address these vulnerabilities.
There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-imp-trav-inj-dM687ZD6
Affected Products
o Vulnerable Products
At the time of publication, these vulnerabilities affected the following
Cisco products:
Unified CM
Unified CM IM&P
Unified CM SME
For information about which Cisco software releases are vulnerable, see the
Fixed Software section of this advisory. 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 these vulnerabilities.
Details
o The vulnerabilities are not dependent on one another. Exploitation of one
of the vulnerabilities is not required to exploit another vulnerability. In
addition, a software release that is affected by one of the vulnerabilities
may not be affected by the other vulnerabilities.
Details about the vulnerabilities are as follows.
CVE-2021-1357: Cisco Unified Communications Manager IM & Presence Service
Path Traversal Vulnerability
A vulnerability in the web-based management interface of Cisco Unified CM
IM&P could allow an authenticated, remote attacker to conduct path
traversal attacks and obtain read access to sensitive files on an affected
system.
The vulnerability exists because the web-based management interface does
not properly validate user-supplied input. An attacker could exploit this
vulnerability by sending a crafted HTTP request that contains directory
traversal character sequences to an affected system. A successful exploit
could allow the attacker to read files on the underlying operating system.
Cisco has released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
Bug ID(s): CSCvv20985
CVE ID: CVE-2021-1357
Security Impact Rating (SIR): Medium
CVSS Base Score: 6.5
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVE-2021-1355: Cisco Unified Communications Manager IM & Presence Service
SQL Injection Vulnerability
A vulnerability in the web-based management interface of Cisco Unified CM
IM&P could allow an authenticated, remote attacker to conduct SQL injection
attacks on an affected system.
The vulnerability is due to improper validation of user-submitted
parameters. An attacker could exploit this vulnerability by authenticating
to the application and sending malicious requests to an affected system. A
successful exploit could allow the attacker to obtain data that is stored
in the underlying database, including hashed user credentials.
Cisco has released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
Bug ID(s): CSCvv20974
CVE ID: CVE-2021-1355
Security Impact Rating (SIR): Medium
CVSS Base Score: 6.5
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVE-2021-1364: Cisco Unified Communications Manager IM & Presence Service
SQL Injection Vulnerability
A vulnerability in the web-based management interface of Cisco Unified CM
IM&P could allow an authenticated, remote attacker with administrative
credentials to conduct SQL injection attacks on an affected system.
The vulnerability is due to improper validation of user-submitted
parameters. An attacker could exploit this vulnerability by authenticating
to the application and sending malicious requests to an affected system. A
successful exploit could allow the attacker to obtain data that is stored
in the underlying database.
Cisco has released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
Bug ID(s): CSCvv62648
CVE ID: CVE-2021-1364
Security Impact Rating (SIR): Medium
CVSS Base Score: 4.9
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVE-2021-1282: Cisco Unified Communications Manager SQL Injection
Vulnerability
A vulnerability in the web-based management interface of Cisco Unified CM
and Cisco Unified CM SME could allow an authenticated, remote attacker with
administrative credentials to conduct SQL injection attacks on an affected
system.
The vulnerability is due to improper validation of user-submitted
parameters. An attacker could exploit this vulnerability by authenticating
to the application and sending malicious requests to an affected system. A
successful exploit could allow the attacker to obtain data that is stored
in the underlying database.
Cisco has released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
Bug ID(s): CSCvv62642
CVE ID: CVE-2021-1364
Security Impact Rating (SIR): Medium
CVSS Base Score: 4.9
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Workarounds
o There are no workarounds that address these vulnerabilities.
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 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, the release information in the following table
(s) was accurate. See the Details section in the bug ID(s) at the top of
this advisory for the most complete and current information.
The left column lists Cisco software releases, and the right column
indicates whether a release was affected by the vulnerabilities described
in this advisory and which release included the fix for these
vulnerabilities.
Unified IM&P
Cisco Unified Communications Manager IM & First Fixed Release for These
Presence Service Releases Vulnerabilities
Earlier than 10.5 Migrate to a fixed release.
10.5 Migrate to a fixed release.
11.0 Migrate to a fixed release.
11.5 11.5(1)SU9
12.0 Migrate to a fixed release.
12.5 12.5(1)SU4 (March 2021)
Unified CM and Unified CM SME
Cisco Unified Communications Manager and Cisco First Fixed Release for
Unified Communications Manager SME Releases These Vulnerabilities
Earlier than 10.5 Migrate to a fixed
release.
10.5 Migrate to a fixed
release.
11.0 Migrate to a fixed
release.
11.5 11.5(1)SU9
12.0 12.0(1)SU4
12.5 12.5(1)SU4 (March 2021)
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 vulnerabilities that are
described in this advisory.
Source
o Cisco would like to thank Mostafa Soliman of IBM X-Force Red for reporting
these vulnerabilities.
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-imp-trav-inj-dM687ZD6
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-JAN-20 |
+----------+---------------------------+----------+--------+--------------+
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NOTE: This is only the original release of the security bulletin. It may
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
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On call after hours for member emergencies only.
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