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Computer vulnerabilities of Cisco WSA

vulnerability announce CVE-2017-12303

Cisco WSA: privilege escalation via AMP Filtering

Synthesis of the vulnerability

An attacker can bypass restrictions via AMP Filtering of Cisco WSA, in order to escalate his privileges.
Impacted products: AsyncOS, Cisco WSA.
Severity: 2/4.
Consequences: administrator access/rights, privileged access/rights.
Provenance: document.
Creation date: 16/11/2017.
Identifiers: cisco-sa-20171115-wsa, CSCvf52943, CVE-2017-12303, VIGILANCE-VUL-24472.

Description of the vulnerability

An attacker can bypass restrictions via AMP Filtering of Cisco WSA, in order to escalate his privileges.
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computer vulnerability CVE-2017-6783

Cisco WSA/ESA/SMA: information disclosure via SNMP Polling

Synthesis of the vulnerability

An attacker can bypass access restrictions to data via SNMP Polling of Cisco WSA/ESA/SMA, in order to obtain sensitive information.
Impacted products: AsyncOS, Cisco Content SMA, Cisco ESA, Cisco WSA.
Severity: 2/4.
Consequences: data reading.
Provenance: intranet client.
Creation date: 17/08/2017.
Identifiers: CERTFR-2017-AVI-269, cisco-sa-20170816-csa, CSCve26106, CSCve26202, CSCve26224, CVE-2017-6783, VIGILANCE-VUL-23555.

Description of the vulnerability

An attacker can bypass access restrictions to data via SNMP Polling of Cisco WSA/ESA/SMA, in order to obtain sensitive information.
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computer vulnerability CVE-2017-6748

Cisco WSA: privilege escalation via Command Injection

Synthesis of the vulnerability

An attacker can bypass restrictions via Command Injection of Cisco WSA, in order to escalate his privileges.
Impacted products: AsyncOS, Cisco WSA.
Severity: 2/4.
Consequences: administrator access/rights, privileged access/rights.
Provenance: user account.
Creation date: 20/07/2017.
Identifiers: cisco-sa-20170719-wsa2, CSCvd88855, CVE-2017-6748, VIGILANCE-VUL-23305.

Description of the vulnerability

An attacker can bypass restrictions via Command Injection of Cisco WSA, in order to escalate his privileges.
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vulnerability note CVE-2017-6749

Cisco WSA: Cross Site Scripting

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting of Cisco WSA, in order to run JavaScript code in the context of the web site.
Impacted products: AsyncOS, Cisco WSA.
Severity: 2/4.
Consequences: client access/rights.
Provenance: document.
Creation date: 20/07/2017.
Identifiers: cisco-sa-20170719-wsa3, CSCvd88865, CVE-2017-6749, VIGILANCE-VUL-23304.

Description of the vulnerability

The Cisco WSA 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 WSA, in order to run JavaScript code in the context of the web site.
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vulnerability bulletin CVE-2017-6750

Cisco WSA: privilege escalation via Static Credentials

Synthesis of the vulnerability

An attacker can bypass restrictions via Static Credentials of Cisco WSA, in order to escalate his privileges.
Impacted products: AsyncOS, Cisco WSA.
Severity: 2/4.
Consequences: administrator access/rights, privileged access/rights.
Provenance: intranet client.
Creation date: 20/07/2017.
Identifiers: cisco-sa-20170719-wsa4, CSCve06124, CVE-2017-6750, VIGILANCE-VUL-23303.

Description of the vulnerability

An attacker can bypass restrictions via Static Credentials of Cisco WSA, in order to escalate his privileges.
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vulnerability announce CVE-2017-6751

Cisco WSA: privilege escalation

Synthesis of the vulnerability

An attacker can bypass restrictions of Cisco WSA, in order to escalate his privileges.
Impacted products: AsyncOS, Cisco WSA.
Severity: 2/4.
Consequences: administrator access/rights, privileged access/rights.
Provenance: intranet client.
Creation date: 20/07/2017.
Identifiers: cisco-sa-20170719-wsa5, CSCvd88863, CVE-2017-6751, VIGILANCE-VUL-23302.

Description of the vulnerability

An attacker can bypass restrictions of Cisco WSA, in order to escalate his privileges.
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vulnerability alert CVE-2017-6746

Cisco WSA: code execution via Command Injection

Synthesis of the vulnerability

An attacker can use a vulnerability via Command Injection of Cisco WSA, in order to run code.
Impacted products: AsyncOS, Cisco WSA.
Severity: 2/4.
Consequences: administrator access/rights, privileged access/rights, user access/rights.
Provenance: privileged account.
Creation date: 20/07/2017.
Identifiers: CERTFR-2017-AVI-230, cisco-sa-20170719-wsa1, CSCvd88862, CVE-2017-6746, VIGILANCE-VUL-23301.

Description of the vulnerability

An attacker can use a vulnerability via Command Injection of Cisco WSA, in order to run code.
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vulnerability alert CVE-2017-3870

Cisco Web Security Appliance: privilege escalation via URL Filtering Bypass

Synthesis of the vulnerability

An attacker can bypass restrictions via URL Filtering Bypass of Cisco Web Security Appliance, in order to escalate his privileges.
Impacted products: AsyncOS, Cisco WSA.
Severity: 2/4.
Consequences: data reading, data flow.
Provenance: internet client.
Creation date: 16/03/2017.
Identifiers: cisco-sa-20170315-wsa, CSCvc69700, CVE-2017-3870, VIGILANCE-VUL-22151.

Description of the vulnerability

An attacker can bypass restrictions via URL Filtering Bypass of Cisco Web Security Appliance, in order to escalate his privileges.
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vulnerability alert CVE-2017-3733

OpenSSL: denial of service via the "Encrypt-Then-Mac" option

Synthesis of the vulnerability

An attacker can change the state of the "Encrypt-Then-Mac" TLS option in a renegotiation with a server or client based on OpenSSL, in order to trigger a denial of service.
Impacted products: Cisco ASR, Cisco ATA, AsyncOS, Cisco Catalyst, Cisco Content SMA, Cisco ESA, IOS by Cisco, IOS XE Cisco, IOS XR Cisco, Nexus by Cisco, NX-OS, Cisco Prime Access Registrar, Prime Collaboration Assurance, Cisco Prime DCNM, Prime Infrastructure, Cisco Router, Cisco CUCM, Cisco Manager Attendant Console, Cisco Wireless IP Phone, Cisco WSA, Cisco Wireless Controller, HP Operations, IRAD, Tivoli Storage Manager, OpenSSL, Oracle Communications, Oracle Directory Server, Oracle Directory Services Plus, Oracle Fusion Middleware, Oracle Identity Management, Oracle iPlanet Web Server, Tuxedo, VirtualBox, WebLogic, Oracle Web Tier.
Severity: 2/4.
Consequences: denial of service on server, denial of service on service, denial of service on client.
Provenance: internet client.
Creation date: 16/02/2017.
Identifiers: 2003480, 2003620, 2003673, 2004940, CERTFR-2017-AVI-035, cisco-sa-20170130-openssl, cpuapr2019, cpujan2018, cpuoct2017, CVE-2017-3733, HPESBGN03728, VIGILANCE-VUL-21871.

Description of the vulnerability

OpenSSL implements the possibility of renegotiation of TLS option and parameters during a session.

However, for some combinations of algorithms, the negation of the state of the option "Encrypt-Then-Mac" generates a fatal error.

An attacker can therefore change the state of the "Encrypt-Then-Mac" TLS option in a renegotiation with a server or client based on OpenSSL, in order to trigger a denial of service.
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vulnerability announce CVE-2016-7055 CVE-2017-3730 CVE-2017-3731

OpenSSL: multiple vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of OpenSSL.
Impacted products: Blue Coat CAS, ProxyAV, ProxySG par Blue Coat, SGOS by Blue Coat, Brocade vTM, Cisco ASR, Cisco ATA, AsyncOS, Cisco Catalyst, Cisco Content SMA, Cisco ESA, IOS by Cisco, IOS XE Cisco, IOS XR Cisco, Nexus by Cisco, NX-OS, Cisco Prime Access Registrar, Prime Collaboration Assurance, Cisco Prime DCNM, Prime Infrastructure, Cisco Router, Cisco CUCM, Cisco Manager Attendant Console, Cisco Wireless IP Phone, Cisco WSA, Cisco Wireless Controller, Debian, BIG-IP Hardware, TMOS, Fedora, FileZilla Server, FortiAnalyzer, FortiAnalyzer Virtual Appliance, FortiOS, FreeBSD, hMailServer, AIX, Domino, Notes, IRAD, Rational ClearCase, Security Directory Server, Tivoli Storage Manager, Tivoli Workload Scheduler, WebSphere AS Traditional, WebSphere MQ, Junos OS, Juniper Network Connect, NSM Central Manager, NSMXpress, SRX-Series, MariaDB ~ precise, ePO, Meinberg NTP Server, MySQL Community, MySQL Enterprise, Data ONTAP, Nodejs Core, 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, VirtualBox, WebLogic, Oracle Web Tier, Palo Alto Firewall PA***, PAN-OS, Percona Server, pfSense, Pulse Connect Secure, Pulse Secure Client, RHEL, Slackware, stunnel, SUSE Linux Enterprise Desktop, SLES, Nessus, TrendMicro ServerProtect, Ubuntu, VxWorks, WinSCP.
Severity: 2/4.
Consequences: data reading, denial of service on service, denial of service on client.
Provenance: document.
Number of vulnerabilities in this bulletin: 4.
Creation date: 26/01/2017.
Identifiers: 1117414, 2000544, 2000988, 2000990, 2002331, 2004036, 2004940, 2009389, 2010154, 2011567, 2012827, 2014202, 2014651, 2014669, 2015080, BSA-2016-204, BSA-2016-207, BSA-2016-211, BSA-2016-212, BSA-2016-213, BSA-2016-216, BSA-2016-234, bulletinapr2017, bulletinjan2018, bulletinoct2017, CERTFR-2017-AVI-035, CERTFR-2018-AVI-343, cisco-sa-20170130-openssl, cpuapr2017, cpuapr2019, cpujan2018, cpujul2017, cpujul2018, cpuoct2017, CVE-2016-7055, CVE-2017-3730, CVE-2017-3731, CVE-2017-3732, DLA-814-1, DSA-3773-1, FEDORA-2017-3451dbec48, FEDORA-2017-e853b4144f, FG-IR-17-019, FreeBSD-SA-17:02.openssl, ibm10732391, ibm10733905, ibm10738249, ibm10738401, JSA10775, K37526132, K43570545, K44512851, K-510805, NTAP-20170127-0001, NTAP-20170310-0002, NTAP-20180201-0001, openSUSE-SU-2017:0481-1, openSUSE-SU-2017:0487-1, openSUSE-SU-2017:0527-1, openSUSE-SU-2017:0941-1, openSUSE-SU-2017:2011-1, openSUSE-SU-2017:2868-1, openSUSE-SU-2018:0458-1, PAN-70674, PAN-73914, PAN-SA-2017-0012, PAN-SA-2017-0014, PAN-SA-2017-0016, RHSA-2017:0286-01, RHSA-2018:2568-01, RHSA-2018:2575-01, SA141, SA40423, SB10188, SSA:2017-041-02, SUSE-SU-2018:0112-1, SUSE-SU-2018:2839-1, SUSE-SU-2018:3082-1, TNS-2017-03, USN-3181-1, VIGILANCE-VUL-21692.

Description of the vulnerability

Several vulnerabilities were announced in OpenSSL.

An attacker can force a read at an invalid address via Truncated Packet, in order to trigger a denial of service, or to obtain sensitive information. [severity:2/4; CVE-2017-3731]

An attacker can force a NULL pointer to be dereferenced via DHE/ECDHE Parameters, in order to trigger a denial of service. [severity:2/4; CVE-2017-3730]

An attacker can use a carry propagation error via BN_mod_exp(), in order to compute the private key. [severity:1/4; CVE-2017-3732]

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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