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Computer vulnerabilities of Cisco Access Control System

computer vulnerability note CVE-2018-0147

Cisco Secure Access Control System: code execution via Java Deserialization

Synthesis of the vulnerability

An attacker can use a vulnerability via Java Deserialization of Cisco Secure Access Control System, in order to run code.
Impacted products: Secure ACS.
Severity: 4/4.
Consequences: administrator access/rights, privileged access/rights.
Provenance: internet client.
Creation date: 08/03/2018.
Identifiers: CERTFR-2018-AVI-116, cisco-sa-20180307-acs2, CSCvh25988, CVE-2018-0147, VIGILANCE-VUL-25489.

Description of the vulnerability

An attacker can use a vulnerability via Java Deserialization of Cisco Secure Access Control System, in order to run code.
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vulnerability bulletin CVE-2018-0218

Cisco Secure Access Control Server: external XML entity injection

Synthesis of the vulnerability

An attacker can transmit malicious XML data to Cisco Secure Access Control Server, in order to read a file, scan sites, or trigger a denial of service.
Impacted products: Secure ACS.
Severity: 2/4.
Consequences: data reading, denial of service on service.
Provenance: document.
Creation date: 08/03/2018.
Identifiers: cisco-sa-20180307-acs1, CSCve70616, CVE-2018-0218, VIGILANCE-VUL-25483.

Description of the vulnerability

XML data can contain external entities (DTD):
  <!ENTITY name SYSTEM "file">
  <!ENTITY name SYSTEM "http://server/file">
A program which reads these XML data can replace these entities by data coming from the indicated file. When the program uses XML data coming from an untrusted source, this behavior leads to:
 - content disclosure from files of the server
 - private web site scan
 - a denial of service by opening a blocking file
This feature must be disabled to process XML data coming from an untrusted source.

However, the Cisco Secure Access Control Server parser allows external entities.

An attacker can therefore transmit malicious XML data to Cisco Secure Access Control Server, in order to read a file, scan sites, or trigger a denial of service.
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vulnerability announce CVE-2018-0207

Cisco Secure Access Control Server: external XML entity injection

Synthesis of the vulnerability

An attacker can transmit malicious XML data to Cisco Secure Access Control Server, in order to read a file, scan sites, or trigger a denial of service.
Impacted products: Secure ACS.
Severity: 2/4.
Consequences: data reading, denial of service on service.
Provenance: document.
Creation date: 08/03/2018.
Identifiers: cisco-sa-20180307-acs, CSCve70595, CVE-2018-0207, VIGILANCE-VUL-25482.

Description of the vulnerability

XML data can contain external entities (DTD):
  <!ENTITY name SYSTEM "file">
  <!ENTITY name SYSTEM "http://server/file">
A program which reads these XML data can replace these entities by data coming from the indicated file. When the program uses XML data coming from an untrusted source, this behavior leads to:
 - content disclosure from files of the server
 - private web site scan
 - a denial of service by opening a blocking file
This feature must be disabled to process XML data coming from an untrusted source.

However, the Cisco Secure Access Control Server parser allows external entities.

An attacker can therefore transmit malicious XML data to Cisco Secure Access Control Server, in order to read a file, scan sites, or trigger a denial of service.
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computer vulnerability CVE-2017-12354

Cisco Secure Access Control System: information disclosure

Synthesis of the vulnerability

An attacker can bypass access restrictions to data of Cisco Secure Access Control System, in order to obtain sensitive information.
Impacted products: Secure ACS.
Severity: 2/4.
Consequences: data reading.
Provenance: document.
Creation date: 30/11/2017.
Identifiers: cisco-sa-20171129-acs, CSCvf66155, CVE-2017-12354, VIGILANCE-VUL-24575.

Description of the vulnerability

An attacker can bypass access restrictions to data of Cisco Secure Access Control System, in order to obtain sensitive information.
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computer vulnerability bulletin CVE-2017-6769

Cisco ACS: Cross Site Scripting

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting of Cisco ACS, in order to run JavaScript code in the context of the web site.
Impacted products: Secure ACS.
Severity: 2/4.
Consequences: client access/rights.
Provenance: document.
Creation date: 27/07/2017.
Identifiers: cisco-sa-20170726-acs, CSCve70587, CVE-2017-6769, VIGILANCE-VUL-23378.

Description of the vulnerability

The Cisco ACS product offers a web service.

However, it does not filter received data before inserting them in generated HTML documents.

An attacker can therefore trigger a Cross Site Scripting of Cisco ACS, in order to run JavaScript code in the context of the web site.
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computer vulnerability announce CVE-2017-3839

Cisco Secure Access Control System: external XML entity injection

Synthesis of the vulnerability

An authenticated attacker can transmit malicious XML data to Cisco Secure Access Control System, in order to read a file, scan sites, or trigger a denial of service.
Impacted products: Secure ACS.
Severity: 2/4.
Consequences: data reading, denial of service on service.
Provenance: document.
Creation date: 16/02/2017.
Revision date: 17/02/2017.
Identifiers: CERTFR-2017-AVI-052, cisco-sa-20170215-acs1, CVE-2017-3839, VIGILANCE-VUL-21867.

Description of the vulnerability

XML data can contain external entities (DTD):
  <!ENTITY name SYSTEM "file">
  <!ENTITY name SYSTEM "http://server/file">
A program which reads these XML data can replace these entities by data coming from the indicated file. When the program uses XML data coming from an untrusted source, this behavior leads to:
 - content disclosure from files of the server
 - private web site scan
 - a denial of service by opening a blocking file
This feature must be disabled to process XML data coming from an untrusted source.

However, the Cisco Secure Access Control System parser allows external entities.

An authenticated attacker can therefore transmit malicious XML data to Cisco Secure Access Control System, in order to read a file, scan sites, or trigger a denial of service.
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computer vulnerability bulletin CVE-2017-3838

Cisco Secure Access Control System: Cross Site Scripting

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting of Cisco Secure Access Control System, in order to run JavaScript code in the context of the web site.
Impacted products: Secure ACS.
Severity: 2/4.
Consequences: client access/rights.
Provenance: document.
Creation date: 16/02/2017.
Identifiers: CERTFR-2017-AVI-052, cisco-sa-20170215-acs, CVE-2017-3838, VIGILANCE-VUL-21868.

Description of the vulnerability

The Cisco Secure Access Control System product offers a web service.

However, it does not filter received data before inserting them in generated HTML documents.

An attacker can therefore trigger a Cross Site Scripting of Cisco Secure Access Control System, in order to run JavaScript code in the context of the web site.
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computer vulnerability alert CVE-2017-3840

Cisco Secure Access Control System: open redirect

Synthesis of the vulnerability

An attacker can deceive the user of Cisco Secure Access Control System, in order to redirect him to a malicious site.
Impacted products: Secure ACS.
Severity: 1/4.
Consequences: user access/rights, data reading.
Provenance: internet client.
Creation date: 16/02/2017.
Identifiers: CERTFR-2017-AVI-052, cisco-sa-20170215-acs2, CVE-2017-3840, VIGILANCE-VUL-21866.

Description of the vulnerability

The Cisco Secure Access Control System product offers a web service.

However, the web service accepts to redirect the victim with no warning, to an external site indicated by the attacker.

An attacker can therefore deceive the user of Cisco Secure Access Control System, in order to redirect him to a malicious site.
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vulnerability note CVE-2017-3841

Cisco Secure Access Control System: password disclosure in the configuration interface

Synthesis of the vulnerability

An attacker can access to parameter view pages of the Web interface of Cisco Secure Access Control System, in order to obtain sensitive information.
Impacted products: Secure ACS.
Severity: 3/4.
Consequences: user access/rights, data reading.
Provenance: internet client.
Creation date: 16/02/2017.
Identifiers: CERTFR-2017-AVI-052, cisco-sa-20170215-acs3, CVE-2017-3841, VIGILANCE-VUL-21864.

Description of the vulnerability

The Cisco Secure Access Control System product offers a web service for configuration purpose.

However, some secret information, including passwords, are included in parameter visualization web pages.

An attacker can therefore access to parameter view pages of the Web interface of Cisco Secure Access Control System, in order to obtain sensitive information.
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vulnerability bulletin CVE-2016-7053 CVE-2016-7054 CVE-2016-7055

OpenSSL 1.1: three vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of OpenSSL 1.1.
Impacted products: Cisco ASR, Cisco Aironet, Cisco ATA, Cisco AnyConnect Secure Mobility Client, ASA, AsyncOS, Cisco ESA, IOS by Cisco, IOS XR Cisco, Nexus by Cisco, NX-OS, Cisco Prime LMS, Cisco Router, Secure ACS, Cisco CUCM, Cisco Unified CCX, Cisco IP Phone, Cisco MeetingPlace, Cisco Wireless IP Phone, Cisco Wireless Controller, NetWorker, VNX Operating Environment, VNX Series, FortiAnalyzer, FortiAnalyzer Virtual Appliance, FortiOS, IRAD, Tivoli Storage Manager, Junos OS, Juniper Network Connect, NSM Central Manager, NSMXpress, SRX-Series, MySQL Community, MySQL Enterprise, Data ONTAP 7-Mode, OpenSSL, openSUSE Leap, Oracle Communications, Oracle Directory Server, Oracle Directory Services Plus, Oracle Fusion Middleware, Oracle Identity Management, Oracle iPlanet Web Server, Oracle OIT, Solaris, Tuxedo, WebLogic, Oracle Web Tier, Percona Server, pfSense, Pulse Connect Secure, Pulse Secure Client.
Severity: 2/4.
Consequences: denial of service on service, denial of service on client.
Provenance: internet client.
Number of vulnerabilities in this bulletin: 3.
Creation date: 10/11/2016.
Revision date: 13/12/2016.
Identifiers: 2004036, 2004940, 2011567, 492284, 492616, bulletinapr2017, CERTFR-2018-AVI-343, cisco-sa-20161114-openssl, cpuapr2019, cpujan2018, cpujul2017, CVE-2016-7053, CVE-2016-7054, CVE-2016-7055, ESA-2016-148, ESA-2016-149, FG-IR-17-019, JSA10775, NTAP-20170127-0001, NTAP-20170310-0002, NTAP-20180201-0001, openSUSE-SU-2017:0527-1, openSUSE-SU-2017:0941-1, openSUSE-SU-2018:0458-1, SA40423, VIGILANCE-VUL-21093.

Description of the vulnerability

Several vulnerabilities were announced in OpenSSL 1.1.

An attacker can generate a buffer overflow via ChaCha20/Poly1305, in order to trigger a denial of service. [severity:2/4; CVE-2016-7054]

An attacker can force a NULL pointer to be dereferenced via CMS Structures, in order to trigger a denial of service. [severity:2/4; CVE-2016-7053]

An error occurs in the Broadwell-specific Montgomery Multiplication Procedure, but with no apparent impact. [severity:1/4; CVE-2016-7055]
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