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Computer vulnerabilities of Cisco AnyConnect Secure Mobility Client

vulnerability note CVE-2019-1853

Cisco AnyConnect Secure Mobility Client: information disclosure

Synthesis of the vulnerability

A local attacker can read a memory fragment of Cisco AnyConnect Secure Mobility Client, in order to obtain sensitive information.
Impacted products: Cisco AnyConnect Secure Mobility Client.
Severity: 2/4.
Consequences: data reading.
Provenance: internet server.
Creation date: 16/05/2019.
Identifiers: cisco-sa-20190515-anyconnectclient-oob-read, CVE-2019-1853, VIGILANCE-VUL-29344.

Description of the vulnerability

A local attacker can read a memory fragment of Cisco AnyConnect Secure Mobility Client, in order to obtain sensitive information.
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computer vulnerability bulletin CVE-2018-0373

Cisco AnyConnect Secure Mobility Client for Windows Desktop: denial of service

Synthesis of the vulnerability

An attacker can generate a fatal error of Cisco AnyConnect Secure Mobility Client for Windows Desktop, in order to trigger a denial of service.
Impacted products: Cisco AnyConnect Secure Mobility Client.
Severity: 1/4.
Consequences: denial of service on server, denial of service on service.
Provenance: user shell.
Creation date: 21/06/2018.
Identifiers: CERTFR-2018-AVI-298, cisco-sa-20180620-anyconnect-dos, CSCvj47654, CVE-2018-0373, VIGILANCE-VUL-26468.

Description of the vulnerability

An attacker can generate a fatal error of Cisco AnyConnect Secure Mobility Client for Windows Desktop, in order to trigger a denial of service.
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computer vulnerability note CVE-2018-0334

Cisco AnyConnect: information disclosure via Certificate Management Subsystem

Synthesis of the vulnerability

An attacker can bypass access restrictions to data via Certificate Management Subsystem of Cisco AnyConnect, in order to obtain sensitive information.
Impacted products: Cisco AnyConnect Secure Mobility Client.
Severity: 2/4.
Consequences: data reading.
Provenance: document.
Creation date: 07/06/2018.
Identifiers: CERTFR-2018-AVI-270, CSCvh23141, CVE-2018-0334, VIGILANCE-VUL-26339.

Description of the vulnerability

An attacker can bypass access restrictions to data via Certificate Management Subsystem of Cisco AnyConnect, in order to obtain sensitive information.
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vulnerability bulletin CVE-2018-0229

Cisco ASA, Cisco AnyConnect: privilege escalation via SAML Authentication Session Fixation

Synthesis of the vulnerability

An attacker can bypass restrictions via SAML Authentication Session Fixation of Cisco ASA and Cisco AnyConnect, in order to escalate his privileges.
Impacted products: Cisco AnyConnect Secure Mobility Client, ASA.
Severity: 3/4.
Consequences: privileged access/rights, user access/rights.
Provenance: internet client.
Creation date: 19/04/2018.
Identifiers: CERTFR-2018-AVI-194, cisco-sa-20180418-asaanyconnect, CSCvg65072, CSCvh87448, CVE-2018-0229, VIGILANCE-VUL-25923.

Description of the vulnerability

An attacker can bypass restrictions via SAML Authentication Session Fixation of Cisco ASA and Cisco AnyConnect, in order to escalate his privileges.
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computer vulnerability announce CVE-2018-0100

Cisco AnyConnect: external XML entity injection via Profile Editor

Synthesis of the vulnerability

An attacker can transmit malicious XML data via Profile Editor to Cisco AnyConnect, in order to read a file, scan sites, or trigger a denial of service.
Impacted products: Cisco AnyConnect Secure Mobility Client.
Severity: 2/4.
Consequences: data reading, denial of service on service.
Provenance: document.
Creation date: 18/01/2018.
Identifiers: cisco-sa-20180117-acpe, CSCvg19341, CVE-2018-0100, VIGILANCE-VUL-25117.

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 AnyConnect parser allows external entities.

An attacker can therefore transmit malicious XML data via Profile Editor to Cisco AnyConnect, in order to read a file, scan sites, or trigger a denial of service.
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vulnerability note CVE-2017-13077 CVE-2017-13078 CVE-2017-13079

WPA2: information disclosure via Key Reinstallation Attacks

Synthesis of the vulnerability

An attacker can bypass access restrictions to data via Key Reinstallation Attacks of WPA2, in order to obtain sensitive information.
Impacted products: SNS, iOS by Apple, iPhone, Mac OS X, ArubaOS, Cisco Aironet, Cisco AnyConnect Secure Mobility Client, ASA, Meraki MR***, Cisco IP Phone, Cisco Wireless IP Phone, Debian, Fedora, FortiGate, FortiOS, FreeBSD, Android OS, Junos OS, SSG, Linux, Windows 10, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 2016, Windows 7, Windows 8, Windows (platform) ~ not comprehensive, Windows RT, NetBSD, NetScreen Firewall, ScreenOS, OpenBSD, openSUSE Leap, pfSense, 802.11 protocol, RHEL, RuggedSwitch, SIMATIC, Slackware, SUSE Linux Enterprise Desktop, SLES, Synology DSM, Synology DS***, Synology RS***, Ubuntu, Unix (platform) ~ not comprehensive.
Severity: 3/4.
Consequences: data reading.
Provenance: radio connection.
Number of vulnerabilities in this bulletin: 10.
Creation date: 16/10/2017.
Identifiers: ARUBA-PSA-2017-007, CERTFR-2017-ALE-014, CERTFR-2017-AVI-357, CERTFR-2017-AVI-358, CERTFR-2017-AVI-359, CERTFR-2017-AVI-360, CERTFR-2017-AVI-361, CERTFR-2017-AVI-363, CERTFR-2017-AVI-373, CERTFR-2017-AVI-379, CERTFR-2017-AVI-383, CERTFR-2017-AVI-390, CERTFR-2017-AVI-441, CERTFR-2017-AVI-478, CERTFR-2018-AVI-014, CERTFR-2018-AVI-048, cisco-sa-20171016-wpa, CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13084, CVE-2017-13086, CVE-2017-13087, CVE-2017-13088, DLA-1150-1, DLA-1200-1, DLA-1573-1, DSA-3999-1, FEDORA-2017-12e76e8364, FEDORA-2017-45044b6b33, FEDORA-2017-60bfb576b7, FEDORA-2017-cfb950d8f4, FEDORA-2017-fc21e3856b, FG-IR-17-196, FreeBSD-SA-17:07.wpa, HT208221, HT208222, HT208334, HT208394, JSA10827, K-511282, KRACK Attacks, openSUSE-SU-2017:2755-1, openSUSE-SU-2017:2846-1, openSUSE-SU-2017:2896-1, openSUSE-SU-2017:2905-1, openSUSE-SU-2017:3144-1, RHSA-2017:2907-01, RHSA-2017:2911-01, SSA:2017-291-02, SSA-418456, SSA-901333, STORM-2017-005, SUSE-SU-2017:2745-1, SUSE-SU-2017:2752-1, SUSE-SU-2017:2847-1, SUSE-SU-2017:2869-1, SUSE-SU-2017:2908-1, SUSE-SU-2017:2920-1, SUSE-SU-2017:3106-1, SUSE-SU-2017:3165-1, SUSE-SU-2017:3265-1, SUSE-SU-2017:3267-1, SUSE-SU-2018:0040-1, SUSE-SU-2018:0171-1, Synology-SA-17:60, Synology-SA-17:60 KRACK, USN-3455-1, USN-3505-1, VIGILANCE-VUL-24144, VU#228519.

Description of the vulnerability

An attacker can bypass access restrictions to data via Key Reinstallation Attacks of WPA2, in order to obtain sensitive information.
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computer vulnerability bulletin CVE-2017-12268

Cisco AnyConnect Secure Mobility Client: privilege escalation via NAM

Synthesis of the vulnerability

An attacker can bypass restrictions via NAM of Cisco AnyConnect Secure Mobility Client, in order to escalate his privileges.
Impacted products: Cisco AnyConnect Secure Mobility Client.
Severity: 2/4.
Consequences: administrator access/rights, privileged access/rights, data flow.
Provenance: user account.
Creation date: 05/10/2017.
Identifiers: CERTFR-2017-AVI-333, cisco-sa-20171004-anam, CSCvf66539, CVE-2017-12268, VIGILANCE-VUL-24028.

Description of the vulnerability

An attacker can bypass restrictions via NAM of Cisco AnyConnect Secure Mobility Client, in order to escalate his privileges.
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computer vulnerability announce CVE-2017-6788

Cisco AnyConnect Secure Mobility Client: Cross Site Scripting

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting of Cisco AnyConnect Secure Mobility Client, in order to run JavaScript code in the context of the web site.
Impacted products: Cisco AnyConnect Secure Mobility Client.
Severity: 2/4.
Consequences: client access/rights.
Provenance: document.
Creation date: 17/08/2017.
Identifiers: CERTFR-2017-AVI-269, cisco-sa-20170816-caw, CSCvf12055, CVE-2017-6788, VIGILANCE-VUL-23557.

Description of the vulnerability

The Cisco AnyConnect Secure Mobility Client 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 AnyConnect Secure Mobility Client, in order to run JavaScript code in the context of the web site.
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vulnerability CVE-2017-6638

Cisco AnyConnect Secure Mobility Client: executing DLL code

Synthesis of the vulnerability

An attacker can create a malicious DLL, and then put it in the current directory of Cisco AnyConnect Secure Mobility Client for MS-Windows, in order to run code with the system privileges.
Impacted products: Cisco AnyConnect Secure Mobility Client.
Severity: 2/4.
Consequences: administrator access/rights, privileged access/rights.
Provenance: user shell.
Creation date: 08/06/2017.
Identifiers: CERTFR-2017-AVI-171, cisco-sa-20170607-anyconnect, CVE-2017-6638, VIGILANCE-VUL-22920.

Description of the vulnerability

The Cisco AnyConnect Secure Mobility Client product uses external shared libraries (DLL).

However, if the working directory contains a malicious DLL, it is automatically loaded.

An attacker can therefore create a malicious DLL, and then put it in the current directory of Cisco AnyConnect Secure Mobility Client for MS-Windows, in order to run code with the system privileges.
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vulnerability alert CVE-2017-3813

Cisco AnyConnect Secure Mobility Client: privilege escalation via Start Before Logon

Synthesis of the vulnerability

An attacker can bypass restrictions via Start Before Logon of Cisco AnyConnect Secure Mobility Client, in order to escalate his privileges.
Impacted products: Cisco AnyConnect Secure Mobility Client.
Severity: 2/4.
Consequences: administrator access/rights, privileged access/rights.
Provenance: intranet client.
Creation date: 08/02/2017.
Identifiers: CERTFR-2017-AVI-043, cisco-sa-20170208-anyconnect, CSCvc43976, CVE-2017-3813, VIGILANCE-VUL-21781.

Description of the vulnerability

An attacker can bypass restrictions via Start Before Logon of Cisco AnyConnect Secure Mobility Client, in order to escalate his privileges.
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