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:

computer vulnerability note 14009

WordPress Trust Jacker: Cross Site Scripting

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting of WordPress Trust Jacker, in order to execute JavaScript code in the context of the web site.
Impacted products: WordPress Plugins ~ not comprehensive.
Severity: 2/4.
Consequences: client access/rights.
Provenance: document.
Creation date: 02/01/2014.
Identifiers: BID-64586, VIGILANCE-VUL-14009.

Description of the vulnerability

The Trust Jacker plugin can be installed on WordPress.

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

An attacker can therefore trigger a Cross Site Scripting of WordPress Trust Jacker, in order to execute JavaScript code in the context of the web site.
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computer vulnerability bulletin 14008

WordPress Amazon Affiliate Link Localizer: Cross Site Scripting

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting of WordPress Amazon Affiliate Link Localizer, in order to execute JavaScript code in the context of the web site.
Impacted products: WordPress Plugins ~ not comprehensive.
Severity: 2/4.
Consequences: client access/rights.
Provenance: document.
Creation date: 02/01/2014.
Identifiers: BID-64613, VIGILANCE-VUL-14008.

Description of the vulnerability

The Amazon Affiliate Link Localizer plugin can be installed on WordPress.

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

An attacker can therefore trigger a Cross Site Scripting of WordPress Amazon Affiliate Link Localizer, in order to execute JavaScript code in the context of the web site.
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computer vulnerability announce CVE-2013-6450

OpenSSL: information disclosure via DTLS

Synthesis of the vulnerability

An attacker, located as a Man-in-the-Middle, can force the usage of an invalid DTLS context in OpenSSL, in order to obtain sensitive information.
Impacted products: Debian, BIG-IP Hardware, TMOS, Fedora, FreeBSD, AIX, OpenSSL, openSUSE, Solaris, pfSense, Puppet, RHEL, Slackware.
Severity: 2/4.
Consequences: data reading.
Provenance: intranet server.
Creation date: 02/01/2014.
Identifiers: BID-64618, CERTA-2014-AVI-003, CERTFR-2014-AVI-049, CERTFR-2014-AVI-091, CERTFR-2014-AVI-200, CERTFR-2014-AVI-286, CVE-2013-6450, DSA-2833-1, FEDORA-2014-0456, FEDORA-2014-0474, FEDORA-2014-0476, FEDORA-2014-1560, FEDORA-2014-1567, FreeBSD-SA-14:03.openssl, MDVSA-2014:007, openSUSE-SU-2014:0012-1, openSUSE-SU-2014:0015-1, openSUSE-SU-2014:0018-1, openSUSE-SU-2014:0048-1, openSUSE-SU-2014:0049-1, RHSA-2014:0015-01, SOL15158, SSA:2014-013-02, VIGILANCE-VUL-14007.

Description of the vulnerability

The DTLS (Datagram Transport Layer Security) protocol, based on TLS, provides a cryptographic layer over the UDP protocol.

However, the dtls1_hm_fragment_new() function of the ssl/d1_both.c file does not correctly manage the retransmission state.

An attacker, located as a Man-in-the-Middle, can therefore force the usage of an invalid DTLS context in OpenSSL, in order to obtain sensitive information.
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computer vulnerability alert CVE-2013-6436

libvirt: NULL pointer dereference via lxcDomainGetMemoryParameters

Synthesis of the vulnerability

An attacker can dereference a NULL pointer in lxcDomainGetMemoryParameters of libvirt, in order to trigger a denial of service.
Impacted products: Fedora, openSUSE, Unix (platform) ~ not comprehensive.
Severity: 2/4.
Consequences: denial of service on service.
Provenance: user account.
Creation date: 31/12/2013.
Identifiers: BID-64549, CVE-2013-6436, FEDORA-2014-1042, openSUSE-SU-2014:0010-1, VIGILANCE-VUL-14006.

Description of the vulnerability

The libvirt library provides a standard interface on several virtualization products (Xen, QEMU, KVM, etc.).

The lxcDomainGetMemoryParameters function is used to obtain information about the memory. However, it does not check if a pointer is NULL, before using it.

An attacker can therefore dereference a NULL pointer in lxcDomainGetMemoryParameters of libvirt, in order to trigger a denial of service.
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computer vulnerability CVE-2013-6886

RealVNC: privilege escalation via vncserver-x11 et Xvnc

Synthesis of the vulnerability

A local attacker can use vncserver-x11 or Xvnc of RealVNC, in order to escalate his privileges.
Impacted products: RealVNC.
Severity: 2/4.
Consequences: administrator access/rights.
Provenance: user account.
Creation date: 31/12/2013.
Identifiers: BID-64560, CVE-2013-6886, VIGILANCE-VUL-14005.

Description of the vulnerability

The RealVNC product installs the following programs as suid root:
 - vncserver-x11 (User Mode)
 - Xvnc (Virtual Mode)

However, an attacker can inject an additional parameter to these programs.

A local attacker can therefore use vncserver-x11 or Xvnc of RealVNC, in order to escalate his privileges.
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vulnerability note CVE-2013-5211

ntp.org: distributed denial of service via monlist

Synthesis of the vulnerability

An attacker can use monlist of ntp.org, in order to trigger a distributed denial of service.
Impacted products: GAiA, CheckPoint IP Appliance, IPSO, Provider-1, CheckPoint Security Appliance, CheckPoint Security Gateway, Cisco ASR, Cisco Catalyst, IOS by Cisco, IOS XE Cisco, IOS XR Cisco, Nexus by Cisco, NX-OS, Cisco Router, Cisco CUCM, Cisco Unified CCX, Cisco MeetingPlace, FreeBSD, HP-UX, AIX, Juniper J-Series, Junos OS, Meinberg NTP Server, NetBSD, NTP.org, openSUSE, Solaris, Trusted Solaris, pfSense, Puppet, Slackware, ESX, ESXi, vCenter Server, VMware vSphere, VMware vSphere Hypervisor.
Severity: 2/4.
Consequences: denial of service on service.
Provenance: internet client.
Creation date: 31/12/2013.
Identifiers: 1532, BID-64692, c04084148, CERTA-2014-AVI-034, CERTFR-2014-AVI-069, CERTFR-2014-AVI-112, CERTFR-2014-AVI-117, CERTFR-2014-AVI-244, CERTFR-2014-AVI-526, CSCtd75033, CSCum44673, CSCum52148, CSCum76937, CSCun84909, CSCur38341, CVE-2013-5211, ESX400-201404001, ESX400-201404402-SG, ESX410-201404001, ESX410-201404402-SG, ESXi400-201404001, ESXi400-201404401-SG, ESXi410-201404001, ESXi410-201404401-SG, ESXi510-201404001, ESXi510-201404101-SG, ESXi510-201404102-SG, ESXi550-201403101-SG, FreeBSD-SA-14:02.ntpd, HPSBUX02960, JSA10613, MBGSA-1401, NetBSD-SA2014-002, openSUSE-SU-2014:0949-1, openSUSE-SU-2014:1149-1, sk98758, SSA:2014-044-02, SSRT101419, VIGILANCE-VUL-14004, VMSA-2014-0002, VMSA-2014-0002.1, VMSA-2014-0002.2, VMSA-2014-0002.4, VMSA-2015-0001.

Description of the vulnerability

The ntp.org service implements the "monlist" command, which returns the list of the 600 last clients which connected to the server.

However, the size of the reply is larger than the size of the query. Moreover, public NTP servers request no authentication, and UDP packets can be spoofed.

An attacker can therefore use monlist of ntp.org, in order to trigger a distributed denial of service.
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vulnerability bulletin CVE-2013-7266 CVE-2013-7267 CVE-2013-7268

Linux kernel: memory reading via recv

Synthesis of the vulnerability

A local attacker can call functions of the recv family on the Linux kernel, in order to read fragments of the kernel memory.
Impacted products: Linux, openSUSE, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 1/4.
Consequences: data reading.
Provenance: user shell.
Number of vulnerabilities in this bulletin: 7.
Creation date: 31/12/2013.
Identifiers: BID-64669, BID-64739, BID-64741, BID-64742, BID-64743, BID-64744, BID-64746, BID-64747, CERTA-2014-AVI-010, CERTFR-2014-AVI-106, CERTFR-2014-AVI-107, CVE-2013-6463-REJECT, CVE-2013-7266, CVE-2013-7267, CVE-2013-7268, CVE-2013-7269, CVE-2013-7270, CVE-2013-7271, MDVSA-2014:001, openSUSE-SU-2014:1246-1, SUSE-SU-2014:1138-1, SUSE-SU-2015:0812-1, USN-2128-1, USN-2129-1, USN-2135-1, USN-2136-1, USN-2138-1, USN-2139-1, USN-2141-1, VIGILANCE-VUL-14003.

Description of the vulnerability

The recvmsg() and recvfrom() functions are used to receive data from a network socket.

However, these functions do not correctly check the size of the msg_name length (msg_namelen). Some bytes are thus not initialized before being returned to the user.

A local attacker can therefore call functions of the recv family on the Linux kernel, in order to read fragments of the kernel memory.
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vulnerability announce CVE-2013-7276

WordPress Recommend to a friend: Cross Site Scripting

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting of WordPress Recommend to a friend, in order to execute JavaScript code in the context of the web site.
Impacted products: WordPress Plugins ~ not comprehensive.
Severity: 2/4.
Consequences: client access/rights.
Provenance: document.
Creation date: 30/12/2013.
Identifiers: BID-64548, CVE-2013-7276, VIGILANCE-VUL-14002.

Description of the vulnerability

The Recommend to a friend plugin can be installed on WordPress.

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

An attacker can therefore trigger a Cross Site Scripting of WordPress Recommend to a friend, in order to execute JavaScript code in the context of the web site.
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vulnerability alert 14001

Linux kernel: denial of service via get_wchan

Synthesis of the vulnerability

A local attacker on ARM can execute a program with several threads, in order to trigger a denial of service of the Linux kernel.
Impacted products: Linux.
Severity: 1/4.
Consequences: denial of service on server.
Provenance: user shell.
Creation date: 30/12/2013.
Identifiers: BID-64510, VIGILANCE-VUL-14001.

Description of the vulnerability

On an ARM processor, the arch/arm/kernel/process.c file manages the execution of processes.

The get_wchan() function of process.c manages the stack. However, it does not check if the stack pointer is valid before dereferencing it.

A local attacker on ARM can therefore execute a program with several threads, in order to trigger a denial of service of the Linux kernel.
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vulnerability CVE-2013-4164 CVE-2013-4363 CVE-2013-4969

Puppet Enterprise 2.8: multiple vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of Puppet Enterprise 2.8.
Impacted products: Debian, Puppet, SUSE Linux Enterprise Desktop, SLES.
Severity: 2/4.
Consequences: user access/rights, client access/rights, data reading, data creation/edition, denial of service on service.
Provenance: document.
Number of vulnerabilities in this bulletin: 5.
Creation date: 30/12/2013.
Identifiers: BID-63873, BID-64552, CERTA-2013-AVI-647, CERTA-2013-AVI-687, CVE-2013-4164, CVE-2013-4363, CVE-2013-4969, CVE-2013-6415, CVE-2013-6417, DSA-2831-1, DSA-2831-2, MDVSA-2014:040, SUSE-SU-2014:0880-1, VIGILANCE-VUL-14000.

Description of the vulnerability

Several vulnerabilities were announced in Puppet Enterprise 2.8.

An attacker can generate a buffer overflow during the conversion of real number by Ruby, in order to trigger a denial of service, and possibly to execute code (VIGILANCE-VUL-13817). [severity:2/4; BID-63873, CERTA-2013-AVI-647, CVE-2013-4164]

An attacker can use a regular expression in RubyGems, in order to trigger a denial of service. [severity:2/4; CVE-2013-4363]

An attacker can use a symbolic link, in order to corrupt a file. [severity:2/4; BID-64552, CVE-2013-4969]

An attacker can trigger a Cross Site Scripting in Ruby on Rails, in order to execute JavaScript code in the context of the web site. [severity:2/4; CVE-2013-6415]

An attacker can use a SQL injection in Rack and Rails, in order to read or alter data. [severity:2/4; CVE-2013-6417]
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