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Computer vulnerabilities of Cisco Unified Contact Center Express

weakness alert CVE-2017-6779

Cisco: denial of service via Log File Size

Synthesis of the vulnerability

An attacker can generate a fatal error via Log File Size of Cisco, in order to trigger a denial of service.
Severity: 2/4.
Creation date: 07/06/2018.
Identifiers: CERTFR-2018-AVI-270, cisco-sa-20180606-diskdos, CVE-2017-6779, VIGILANCE-VUL-26343.
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Description of the vulnerability

An attacker can generate a fatal error via Log File Size of Cisco, in order to trigger a denial of service.
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security announce CVE-2017-12288

Cisco Unified Contact Center Express: Cross Site Scripting

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting of Cisco Unified Contact Center Express, in order to run JavaScript code in the context of the web site.
Severity: 2/4.
Creation date: 19/10/2017.
Identifiers: CERTFR-2017-AVI-372, cisco-sa-20171018-ucce, CSCvf09173, CVE-2017-12288, VIGILANCE-VUL-24185.
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Description of the vulnerability

The Cisco Unified Contact Center Express 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 Unified Contact Center Express, in order to run JavaScript code in the context of the web site.
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security note CVE-2017-6722

Cisco Unified Contact Center Express: privilege escalation via XMPP

Synthesis of the vulnerability

An attacker can bypass restrictions via XMPP of Cisco Unified Contact Center Express, in order to escalate his privileges.
Severity: 2/4.
Creation date: 22/06/2017.
Identifiers: CERTFR-2017-AVI-191, cisco-sa-20170621-ucce, CSCuw86638, CVE-2017-6722, VIGILANCE-VUL-23066.
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Description of the vulnerability

An attacker can bypass restrictions via XMPP of Cisco Unified Contact Center Express, in order to escalate his privileges.
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weakness bulletin CVE-2017-5638

Apache Struts: code execution via Jakarta Multipart CD/CL

Synthesis of the vulnerability

An attacker can use a malicious Content-Disposition/Content-Length header on Apache Struts with Jakarta Multipart installed, in order to run code.
Severity: 4/4.
Creation date: 20/03/2017.
Identifiers: 498123, CERTFR-2017-ALE-004, cisco-sa-20170310-struts2, cpuapr2017, cpujul2017, CVE-2017-5638, ESA-2017-042, S2-045, S2-046, VIGILANCE-VUL-22190.
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Description of the vulnerability

The Apache Struts product can be configured to use the Multipart parser of Jakarta.

The HTTP Content-Type header can contain the multipart/form-data MIME type to indicate form data. In this case, the Multipart parser of Jakarta is called.

When the Multipart parser of Jakarta is used, and when the Content-Disposition or Content-Length header contains a malformed value, an exception occurs, and the header content is interpreted during the display.

An attacker can therefore use a malicious Content-Disposition/Content-Length header on Apache Struts with Jakarta Multipart installed, in order to run code.
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vulnerability alert CVE-2017-5638

Apache Struts: code execution via Jakarta Multipart CT

Synthesis of the vulnerability

An attacker can use a malicious Content-Type header on Apache Struts with Jakarta Multipart installed, in order to run code.
Severity: 4/4.
Creation date: 08/03/2017.
Revision date: 14/03/2017.
Identifiers: 498123, CERTFR-2017-ALE-004, CERTFR-2017-AVI-071, cisco-sa-20170310-struts2, cpuapr2017, cpujul2017, CVE-2017-5638, ESA-2017-042, S2-045, S2-046, VIGILANCE-VUL-22047, VMSA-2017-0004, VMSA-2017-0004.6, VU#834067.
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Description of the vulnerability

The Apache Struts product can be configured to use the Multipart parser of Jakarta.

The HTTP Content-Type header can contain the multipart/form-data MIME type to indicate form data. In this case, the Multipart parser of Jakarta is called.

When the Multipart parser of Jakarta is used, and when the Content-Type header contains a malformed multipart/form-data header, an exception occurs, and the header content is interpreted during the display.

An attacker can therefore use a malicious Content-Type header on Apache Struts with Jakarta Multipart installed, in order to run code.
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computer weakness 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.
Severity: 2/4.
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.
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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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computer weakness alert CVE-2016-7426 CVE-2016-7427 CVE-2016-7428

NTP.org: multiple vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of NTP.org.
Severity: 2/4.
Number of vulnerabilities in this bulletin: 10.
Creation date: 21/11/2016.
Identifiers: 2009389, bulletinoct2016, CERTFR-2017-AVI-090, cisco-sa-20161123-ntpd, CVE-2016-7426, CVE-2016-7427, CVE-2016-7428, CVE-2016-7429, CVE-2016-7431, CVE-2016-7433, CVE-2016-7434, CVE-2016-9310, CVE-2016-9311, CVE-2016-9312, FEDORA-2016-7209ab4e02, FEDORA-2016-c198d15316, FEDORA-2016-e8a8561ee7, FreeBSD-SA-16:39.ntp, HPESBHF03883, HPESBUX03706, HPESBUX03885, JSA10776, JSA10796, K51444934, K55405388, K87922456, MBGSA-1605, NTAP-20170127-0001, NTAP-20170310-0002, NTAP-20180201-0001, openSUSE-SU-2016:3280-1, pfSense-SA-17_03.webgui, RHSA-2017:0252-01, SA139, SSA:2016-326-01, TALOS-2016-0130, TALOS-2016-0131, TALOS-2016-0203, TALOS-2016-0204, USN-3349-1, VIGILANCE-VUL-21170, VU#633847.
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Description of the vulnerability

Several vulnerabilities were announced in NTP.org.

An attacker can force an assertion error, in order to trigger a denial of service. [severity:2/4; CVE-2016-9311, TALOS-2016-0204]

An attacker can bypass security features via Mode 6, in order to obtain sensitive information. [severity:2/4; CVE-2016-9310, TALOS-2016-0203]

An attacker can trigger a fatal error via Broadcast Mode Replay, in order to trigger a denial of service. [severity:2/4; CVE-2016-7427, TALOS-2016-0131]

An attacker can trigger a fatal error via Broadcast Mode Poll Interval, in order to trigger a denial of service. [severity:2/4; CVE-2016-7428, TALOS-2016-0130]

An attacker can send malicious UDP packets, in order to trigger a denial of service on Windows. [severity:2/4; CVE-2016-9312]

An unknown vulnerability was announced via Zero Origin Timestamp. [severity:2/4; CVE-2016-7431]

An attacker can force a NULL pointer to be dereferenced via _IO_str_init_static_internal(), in order to trigger a denial of service. [severity:2/4; CVE-2016-7434]

An unknown vulnerability was announced via Interface selection. [severity:2/4; CVE-2016-7429]

An attacker can trigger a fatal error via Client Rate Limiting, in order to trigger a denial of service. [severity:2/4; CVE-2016-7426]

An unknown vulnerability was announced via Reboot Sync. [severity:2/4; CVE-2016-7433]
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computer weakness note CVE-2016-1000031

Apache Commons FileUpload: read-write access

Synthesis of the vulnerability

An attacker can bypass access restrictions of Apache Commons FileUpload, in order to read or alter files.
Severity: 3/4.
Creation date: 18/10/2016.
Identifiers: 2009844, 2011428, 2011689, 528262, 7018113, 7043863, 7048591, CERTFR-2018-AVI-531, cisco-sa-20181107-struts-commons-fileupload, cpuapr2019, cpujan2019, cpujul2019, cpuoct2019, CVE-2016-1000031, DSA-2018-210, openSUSE-SU-2019:1399-1, SUSE-SU-2019:1212-2, SUSE-SU-2019:1214-1, SUSE-SU-2019:14044-1, TRA-2016-12, VIGILANCE-VUL-20892, ZDI-16-570.
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Description of the vulnerability

Several products use Apache Commons FileUpload.

However, data unserialized by the DiskFileItem class are not checked.

An attacker can therefore bypass access restrictions of Apache Commons FileUpload, in order to read or alter files.
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security alert CVE-2016-7052

OpenSSL 1.0.2i: NULL pointer dereference via CRL

Synthesis of the vulnerability

An attacker can force a NULL pointer to be dereferenced via a CRL on an application linked to OpenSSL 1.0.2i, in order to trigger a denial of service.
Severity: 2/4.
Creation date: 26/09/2016.
Identifiers: 1996096, 2000095, 2000209, 2003480, 2003620, 2003673, 2008828, CERTFR-2016-AVI-333, cisco-sa-20160927-openssl, cpuapr2017, cpujan2018, cpuoct2017, CVE-2016-7052, FEDORA-2016-97454404fe, FEDORA-2016-a555159613, FreeBSD-SA-16:27.openssl, HPESBHF03856, JSA10759, openSUSE-SU-2016:2496-1, openSUSE-SU-2018:0458-1, SA132, SB10171, SP-CAAAPUE, SPL-129207, SSA:2016-270-01, SUSE-SU-2016:2470-1, SUSE-SU-2016:2470-2, TNS-2016-16, VIGILANCE-VUL-20701.
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Description of the vulnerability

The OpenSSL version 1.0.2i product fixed a bug in CRL management.

However, this fix does not check if a pointer is NULL, before using it.

An attacker can therefore force a NULL pointer to be dereferenced via a CRL on an application linked to OpenSSL 1.0.2i, in order to trigger a denial of service.
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vulnerability note CVE-2016-6309

OpenSSL 1.1.0a: use after free via TLS

Synthesis of the vulnerability

An attacker can force the usage of a freed memory area via TLS on an application linked to OpenSSL 1.1.0a, in order to trigger a denial of service, and possibly to run code.
Severity: 3/4.
Creation date: 26/09/2016.
Identifiers: 1996096, 2000095, 2000209, 2003480, 2003620, 2003673, 2008828, CERTFR-2016-AVI-333, cisco-sa-20160927-openssl, cpuapr2017, cpujan2018, CVE-2016-6309, HPESBHF03856, JSA10759, SA132, TNS-2016-16, VIGILANCE-VUL-20700.
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Description of the vulnerability

The OpenSSL version 1.1.0a product fixed the CVE-2016-6307 vulnerability.

However, the reception of a TLS message of 16kb frees a memory area before reusing it.

An attacker can therefore force the usage of a freed memory area via TLS on an application linked to OpenSSL 1.1.0a, in order to trigger a denial of service, and possibly to run code.
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