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 alert CVE-2014-0191

libxml2: file reading via an entity in xmlParserHandlePEReference

Synthesis of the vulnerability

An attacker can transmit malicious XML data to an application linked to libxml2, in order to force it to include a file, which can then be returned to the attacker.
Impacted products: Debian, Fedora, AIX, libxml, openSUSE, openSUSE Leap, Solaris, RHEL, Ubuntu, ESXi, VMware vSphere, VMware vSphere Hypervisor.
Severity: 2/4.
Consequences: data reading, denial of service on service.
Provenance: document.
Creation date: 07/05/2014.
Identifiers: CVE-2014-0191, DSA-2978-1, DSA-2978-2, FEDORA-2014-17573, FEDORA-2014-17609, MDVSA-2014:086, MDVSA-2015:111, openSUSE-SU-2014:0645-1, openSUSE-SU-2014:0701-1, openSUSE-SU-2014:0716-1, openSUSE-SU-2014:0741-1, openSUSE-SU-2014:0753-1, openSUSE-SU-2015:2372-1, openSUSE-SU-2016:0106-1, RHSA-2014:0513-01, RHSA-2015:0749-01, USN-2214-1, USN-2214-2, USN-2214-3, VIGILANCE-VUL-14706, VMSA-2014-0008.2, VMSA-2014-0012.

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 thus must be disabled to process XML data coming from an untrusted source.

The XML_PARSE_NOENT option indicates to load external entities. However, when this option is unset, the xmlParserHandlePEReference() function of libxml2 still loads external entities.

An attacker can therefore transmit malicious XML data to an application linked to libxml2, in order to force it to include a file, which can then be returned to the attacker.
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computer vulnerability 14705

WordPress Acumbamail: information disclosure

Synthesis of the vulnerability

An attacker can capture data of WordPress Acumbamail, in order to obtain sensitive information.
Impacted products: WordPress Plugins ~ not comprehensive.
Severity: 1/4.
Consequences: data reading.
Provenance: internet server.
Creation date: 06/05/2014.
Identifiers: VIGILANCE-VUL-14705.

Description of the vulnerability

The Acumbamail plugin can be installed on WordPress.

However, to communicate with the API, it uses HTTP instead of HTTPS (HTTP+SSL).

An attacker can therefore capture data of WordPress Acumbamail, in order to obtain sensitive information.
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vulnerability note CVE-2014-2181

Cisco ASA: information disclosure via HTTP Server

Synthesis of the vulnerability

An attacker can connect to the HTTP server of Cisco ASA, in order to read files, to obtain sensitive information.
Impacted products: ASA.
Severity: 2/4.
Consequences: data reading.
Provenance: intranet client.
Creation date: 06/05/2014.
Identifiers: CSCun78551, CVE-2014-2181, VIGILANCE-VUL-14704.

Description of the vulnerability

An attacker can connect to the HTTP server of Cisco ASA, in order to read files, to obtain sensitive information.
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vulnerability bulletin CVE-2014-0685

Cisco Nexus 1000V: bypassing ACL via IGMP

Synthesis of the vulnerability

An attacker can send IGMPv2 or v3 packets to Cisco Nexus 1000V, in order to bypass Deny ACLs.
Impacted products: Nexus by Cisco, NX-OS.
Severity: 2/4.
Consequences: data flow.
Provenance: internet client.
Creation date: 06/05/2014.
Identifiers: CSCug61691, CVE-2014-0685, VIGILANCE-VUL-14703.

Description of the vulnerability

An attacker can send IGMPv2 or v3 packets to Cisco Nexus 1000V, in order to bypass Deny ACLs.
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vulnerability announce CVE-2014-0684

Cisco Nexus 7000: denial of service via sed

Synthesis of the vulnerability

A local attacker can use the "sed" command on Cisco Nexus 7000, in order to trigger a denial of service.
Impacted products: Nexus by Cisco, NX-OS.
Severity: 1/4.
Consequences: denial of service on server.
Provenance: user shell.
Creation date: 06/05/2014.
Identifiers: CSCui56136, CVE-2014-0684, VIGILANCE-VUL-14702.

Description of the vulnerability

A local attacker can use the "sed" command on Cisco Nexus 7000, in order to trigger a denial of service.
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vulnerability alert 14701

Apache httpd, nginx: denial of service via PHP-FPM/PHP-CGI

Synthesis of the vulnerability

An attacker can open numerous long connections to an Apache httpd or nginx server using PHP-FPM/PHP-CGI, in order to trigger a denial of service.
Impacted products: Apache httpd, nginx, PHP.
Severity: 2/4.
Consequences: denial of service on server, denial of service on service, denial of service on client.
Provenance: internet client.
Creation date: 06/05/2014.
Identifiers: VIGILANCE-VUL-14701.

Description of the vulnerability

A web server (Apache httpd, nginx) can support the PHP language using:
 - mod_php : the module is loaded in the web server process.
 - PHP-FPM, PHP-CGI : independant processes communicate with the web server.

However, by manipulating timeout and keep-alive durations, an attacker can use a few resources, in order to saturate (memory and number of connections) PHP-FPM and PHP-CGI.

An attacker can therefore open numerous long connections to an Apache httpd or nginx server using PHP-FPM/PHP-CGI, in order to trigger a denial of service.
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vulnerability CVE-2014-2891

strongSwan: NULL pointer dereference via ID_DER_ASN1_DN

Synthesis of the vulnerability

An attacker can dereference a NULL pointer with ID_DER_ASN1_DN ID, in order to trigger a denial of service of strongSwan.
Impacted products: Debian, openSUSE, SUSE Linux Enterprise Desktop, SLES, Unix (platform) ~ not comprehensive.
Severity: 2/4.
Consequences: denial of service on service.
Provenance: internet client.
Creation date: 05/05/2014.
Identifiers: CVE-2014-2891, DSA-2922-1, openSUSE-SU-2014:0697-1, openSUSE-SU-2014:0700-1, SUSE-SU-2014:0793-1, VIGILANCE-VUL-14700.

Description of the vulnerability

The strongSwan product is used to establish a VPN IPsec tunnel with a Linux system.

However, strongSwan does not correctly process the ID field of ID_DER_ASN1_DN, and does not check if a pointer is NULL, before using it.

An attacker can therefore dereference a NULL pointer with ID_DER_ASN1_DN ID, in order to trigger a denial of service of strongSwan.
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computer vulnerability note CVE-2014-0930

AIX: denial of service via ptrace

Synthesis of the vulnerability

A local attacker can call the ptrace() function of AIX, in order to obtain sensitive information, or to trigger a denial of service.
Impacted products: AIX.
Severity: 2/4.
Consequences: data reading, denial of service on server.
Provenance: user shell.
Creation date: 05/05/2014.
Revision date: 07/05/2014.
Identifiers: CVE-2014-0930, VIGILANCE-VUL-14699.

Description of the vulnerability

The ptrace() function is used to monitor the execution of a process.

The PT_LDINFO parameter indicates ptrace() to return information about libraries. For example:
  ptrace(PT_LDINFO, childpid, buffer, buffer_size, NULL);

However, if buffer_size is larger than the size of the structure used by PT_LDINFO, data located after the end of the buffer comes from the kernel memory. Moreover, if buffer_size is set to -1, the kernel tries to initialize a large memory area and stops.

A local attacker can therefore call the ptrace() function of AIX, in order to obtain sensitive information, or to trigger a denial of service.
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computer vulnerability bulletin CVE-2014-0196

Linux kernel: memory corruption via n_tty_write

Synthesis of the vulnerability

A local attacker can generate a memory corruption in the n_tty_write() function of the Linux kernel, in order to trigger a denial of service, and possibly to execute code.
Impacted products: Debian, BIG-IP Hardware, TMOS, Fedora, Linux, openSUSE, RHEL, SUSE Linux Enterprise Desktop, SLES, Synology DS***, Synology RS***, Ubuntu.
Severity: 2/4.
Consequences: administrator access/rights, denial of service on server, denial of service on service.
Provenance: user shell.
Creation date: 05/05/2014.
Identifiers: CERTFR-2014-AVI-218, CVE-2014-0196, DSA-2926-1, DSA-2928-1, FEDORA-2014-6122, FEDORA-2014-6354, MDVSA-2014:124, openSUSE-SU-2014:0677-1, openSUSE-SU-2014:0678-1, openSUSE-SU-2014:0766-1, RHSA-2014:0512-01, RHSA-2014:0520-01, RHSA-2014:0557-01, RHSA-2014:0678-02, SOL15319, SUSE-SU-2014:0667-1, SUSE-SU-2014:0683-1, SUSE-SU-2014:0696-1, SUSE-SU-2014:0807-1, USN-2196-1, USN-2197-1, USN-2198-1, USN-2199-1, USN-2200-1, USN-2201-1, USN-2202-1, USN-2203-1, USN-2204-1, USN-2227-1, USN-2260-1, VIGILANCE-VUL-14698.

Description of the vulnerability

The drivers/tty/n_tty.c file of the Linux kernel implements a driver for terminals (tty).

The c_lflags field of the termios structure uses the ECHO flag to indicate to display received characters. The c_oflag field uses the OPOST flag to indicate to post-process the output (management of Unix/Dos line feeds).

The n_tty_write() function writes on a tty. However, if ECHO and OPOST are set, and if two processes simultaneously write on the tty, the access to a memory area is not locked.

A local attacker can therefore generate a memory corruption in the n_tty_write() function of the Linux kernel, in order to trigger a denial of service, and possibly to execute code.
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computer vulnerability announce 14697

WordPress Flexolio: multiple vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of WordPress Flexolio.
Impacted products: WordPress Plugins ~ not comprehensive.
Severity: 2/4.
Consequences: privileged access/rights, user access/rights, client access/rights, data reading, denial of service on service.
Provenance: internet client.
Number of vulnerabilities in this bulletin: 4.
Creation date: 05/05/2014.
Identifiers: VIGILANCE-VUL-14697.

Description of the vulnerability

Several vulnerabilities were announced in WordPress Flexolio.

An attacker can trigger a Cross Site Scripting, in order to execute JavaScript code in the context of the web site. [severity:2/4]

An attacker can read a path, in order to obtain sensitive information. [severity:1/4]

An attacker can trigger a denial of service. [severity:1/4]

An attacker can upload a malicious file, in order for example to upload a Trojan. [severity:2/4]
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