The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a database and tools to fix them.
History of vulnerabilities analyzed by Vigil@nce:

vulnerability alert CVE-2013-6683

Cisco Nexus 4000: denial of service via IPv6

Synthesis of the vulnerability

An attacker, located on the LAN, can send IPv6 packets to Cisco Nexus 4000, so it stops responding to IPv6 Neighbor Solicitation request, in order to trigger a denial of service.
Severity: 2/4.
Creation date: 13/11/2013.
Identifiers: BID-63685, CSCtd15904, CVE-2013-6683, VIGILANCE-VUL-13775.
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Description of the vulnerability

An attacker, located on the LAN, can send IPv6 packets to Cisco Nexus 4000, so it stops responding to IPv6 Neighbor Solicitation request, in order to trigger a denial of service.
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security vulnerability CVE-2013-6685

Cisco Unified IP Phone 8900/9900: privilege escalation via SUID

Synthesis of the vulnerability

An authenticated attacker can use a suid program on Cisco Unified IP Phone 8900/9900, in order to escalate his privileges.
Severity: 2/4.
Creation date: 13/11/2013.
Identifiers: BID-63687, CSCui04382, CVE-2013-6685, VIGILANCE-VUL-13774.
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Description of the vulnerability

The Cisco Unified IP Phone 9951, Cisco Unified IP Phone 9971 and Cisco Unified IP Phone 8961 products support memory block devices.

However, access permissions are not restricted. A local attacker can then mount this device as a filesystem containing a suid root program.

An authenticated attacker can therefore use a suid program on Cisco Unified IP Phone 8900/9900, in order to escalate his privileges.
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threat alert CVE-2013-6826

Fortinet FortiAnalyzer: Cross Site Request Forgery

Synthesis of the vulnerability

An attacker can trigger a Cross Site Request Forgery of Fortinet FortiAnalyzer, in order to force the victim to perform operations.
Severity: 2/4.
Creation date: 13/11/2013.
Identifiers: BID-63663, CVE-2013-6826, FG-IR-13-018, VIGILANCE-VUL-13773.
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Description of the vulnerability

The Fortinet FortiAnalyzer product offers a web service.

However, the origin of queries is not checked in /cgi-bin/module//sysmanager/admin/SYSAdminUserDialog. They can for example originate from an image included in an HTML document.

An attacker can therefore trigger a Cross Site Request Forgery of Fortinet FortiAnalyzer, in order to force the victim to perform operations.
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weakness announce CVE-2013-3876

Windows: spoofing DirectAccess

Synthesis of the vulnerability

An attacker can create a special certificate for DirectAccess, in order to deceive clients which connects.
Severity: 2/4.
Creation date: 13/11/2013.
Identifiers: 2862152, BID-63666, CVE-2013-3876, VIGILANCE-VUL-13772.
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Description of the vulnerability

The DirectAccess client checks a certificate to authenticate the server, before establishing an IPsec tunnel.

However, an attack can setup a malicious server, with a special certificate. The client then does not detect that it is currently connecting to a malicious server, and sends its credentials.

An attacker can therefore create a special certificate for DirectAccess, in order to deceive clients which connects.
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cybersecurity weakness CVE-2013-5329 CVE-2013-5330

Adobe Flash Player: multiple vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of Adobe Flash Player.
Severity: 3/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 13/11/2013.
Identifiers: 2755801, APSB13-26, BID-63680, BID-63683, CERTA-2013-AVI-636, CVE-2013-5329, CVE-2013-5330, openSUSE-SU-2013:1717-1, openSUSE-SU-2013:1737-1, RHSA-2013:1518-01, SUSE-SU-2013:1716-1, VIGILANCE-VUL-13771, ZDI-13-275.
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Description of the vulnerability

Several vulnerabilities were announced in Adobe Flash Player.

An attacker can generate a memory corruption, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; BID-63683, CVE-2013-5329]

An attacker can generate a memory corruption via AVM2, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; BID-63680, CVE-2013-5330, ZDI-13-275]
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cybersecurity announce CVE-2013-3869

Windows: denial of service via X.509

Synthesis of the vulnerability

An attacker can send a malicious X.509 certificate to a Windows web service, in order to trigger a denial of service.
Severity: 3/4.
Creation date: 12/11/2013.
Identifiers: 2868626, BID-63561, CERTA-2013-AVI-634, CVE-2013-3869, MS13-095, VIGILANCE-VUL-13770.
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Description of the vulnerability

A web service can be enabled on Windows using HTTPS (HTTP+SSL). In this case, it checks the received X.509 certificates.

However, a special X.509 certificate provides an infinite loop.

An attacker can therefore send a malicious X.509 certificate to a Windows web service, in order to trigger a denial of service.
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computer threat alert CVE-2013-3905

Microsoft Outlook: information disclosure via S/MIME

Synthesis of the vulnerability

An attacker can send a S/MIME message, and invite a Microsoft Outlook user to open it, in order to obtain sensitive information.
Severity: 2/4.
Creation date: 12/11/2013.
Revision date: 13/11/2013.
Identifiers: 2894514, BID-63603, CERTA-2013-AVI-633, CVE-2013-3905, MS13-094, n.runs-SA-2013.006, VIGILANCE-VUL-13769.
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Description of the vulnerability

The S/MIME format is used to sign and encrypt emails.

The X.509 id-ad-caIssuers extension (RFC 5280 : Authority Information Access) indicates the url of a site where to obtain information about the certificate creator.

The CryptoAPI library of Windows connects to this url (IP address and port defined in the certificate). An attacker can therefore alternate urls on his site and local urls. The duration measure between two connexions on the attacker's site can be used to detect if the local url was reachable. An attacker can thus obtain the IP address and the list of open ports on the computer and its neighbor.

An attacker can therefore send a S/MIME message, and invite a Microsoft Outlook user to open it, in order to obtain sensitive information.
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cybersecurity bulletin CVE-2013-3887

Windows: memory reading via AFD

Synthesis of the vulnerability

A local attacker can use AFD on Windows, to read the content of the kernel memory, in order to obtain sensitive information.
Severity: 2/4.
Creation date: 12/11/2013.
Identifiers: 2875783, BID-63545, CERTA-2013-AVI-632, CVE-2013-3887, MS13-093, VIGILANCE-VUL-13768.
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Description of the vulnerability

The afd.sys (Ancillary Function Driver) driver is used to access to Winsock network features. The TDI (Transport Driver Interface) interface is used to communicate with AFD.

However, on a 64 bit processor, AFD does not check the size of a TDI parameter, and accepts to copy too many data to the user space memory.

A local attacker can therefore use AFD on Windows, to read the content of the kernel memory, in order to obtain sensitive information.
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security bulletin CVE-2013-3898

Windows Hyper-V: privilege escalation via an hypercall

Synthesis of the vulnerability

An attacker in a guest system can use an hypercall with a malicious parameter on Windows Hyper-V, in order to escalate his privileges on the host system.
Severity: 2/4.
Creation date: 12/11/2013.
Identifiers: 2893986, BID-63562, CERTA-2013-AVI-631, CVE-2013-3898, MS13-092, VIGILANCE-VUL-13767.
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Description of the vulnerability

The Hyper-V product is used to execute virtualized guest systems on the host system.

Hypercalls are called from a guest system, in order to provide a feature equivalent to a system call on the host system.

However, Hyper-V does not check the memory address of an hypercall parameter.

An attacker in a guest system can therefore use an hypercall with a malicious parameter on Windows Hyper-V, in order to escalate his privileges on the host system.
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computer vulnerability alert CVE-2013-0082 CVE-2013-1324 CVE-2013-1325

Word: three vulnerabilities of WordPerfect

Synthesis of the vulnerability

An attacker can use several vulnerabilities of the WordPerfect support by Microsoft Office Word.
Severity: 3/4.
Number of vulnerabilities in this bulletin: 3.
Creation date: 12/11/2013.
Identifiers: 2885093, BID-63559, BID-63569, BID-63570, CERTA-2013-AVI-630, CVE-2013-0082, CVE-2013-1324, CVE-2013-1325, MS13-091, VIGILANCE-VUL-13766.
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Description of the vulnerability

Several vulnerabilities were announced in Word.

An attacker can create a malicious WordPerfect file, to generate a memory corruption in Office, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; BID-63559, CVE-2013-0082]

An attacker can create a malicious WordPerfect file, to generate a buffer overflow in Word, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; BID-63569, CVE-2013-1324]

An attacker can create a malicious WordPerfect file, to generate a buffer overflow in Word, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; BID-63570, CVE-2013-1325]
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