openssh: User enumeration via covert timing channel

A covert timing channel flaw was found in the way OpenSSH handled authentication of non-existent users. A remote unauthenticated attacker could possibly use this flaw to determine valid user names by measuring the timing of server responses...

Microsoft Windows Explorer Denial of Service Vulnerability

Microsoft Windows is a popular computer operating system. A security vulnerability in the implementation of Microsoft Windows Explorer when attempting to open a non-existent file allows an attacker to exploit the vulnerability by submitting a special request to crash the application...

Microsoft Windows Explorer Denial of Service Vulnerability (KB4025674)

This host is missing an important security update according to Microsoft KB4025674 SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescriptio...

CVE-2017-8587

Windows Explorer in Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511 allows a denial of service vulnerability when it attempts to open a non-existent file, aka "Windows Explorer Denial of Service Vulnerability"...

Windows Explorer Denial of Service Vulnerability

An Denial Of Service vulnerability exists when Windows Explorer attempts to open a non-existent file. An attacker who successfully exploited this vulnerability could cause a denial of service. A attacker could exploit this vulnerability by hosting a specially crafted web site and convince a user ...

UBUNTU-CVE-2016-3104

mongod in MongoDB 2.6, when using 2.4-style users, and 2.4 allow remote attackers to cause a denial of service memory consumption and process termination by leveraging in-memory database representation when authenticating against a non-existent database...

CVE-2016-3104

Removed by vendor...

Why does Citrix Receiver send DNS query for nonexistent hostname?

This article is intended for Citrix administrators and technical teams only. Non-admin users must contact their company's Help Desk/IT support team and can refer to CTX297149 for more information. Question: Why does Citrix Receiver send DNS queries to similar NonExistingSubDomain? Answer: Citrix...

tomcat: timing attack in Realm implementation

The Realm implementations did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid user names. Note that the default configuration includes the LockOutRealm which makes exploitation of this vulnerability harder...

Cross-Site Scripting (XSS)

Overview Affected versions of restify are susceptible to a cross-site scripting vulnerability when using URL encoded script tags in a non-existent URL. Proof of Concept: Request https://localhost:3000/no5such3file7.pl?%22%3E%3Cscript%3Ealert73541;%3C/script%3E Will be included in response:...

ALPINE-CVE-2016-6210

sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the username does not exist, which allows remote attackers to enumerate users by leveraging the timing difference between responses when a large password is provid...

CVE-2016-6210

sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the username does not exist, which allows remote attackers to enumerate users by leveraging the timing difference between responses when a large password is provid...

UBUNTU-CVE-2017-5387

The existence of a specifically requested local file can be found due to the double firing of the "onerror" when the "source" attribute on a "" tag refers to a file that does not exist if the source page is loaded locally. This vulnerability affects Firefox 51...

BSA-2016-195

Security Advisory ID : BSA-2016-195 Component : OpenSSH Revision : 2.0: Final sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the username does not exist, which allows remote attackers to enumerate users by...

The vulnerability of the Apache HTTP Server software allows a malicious attacker to compromise the accessibility of protected information.

A vulnerability exists in the cacheinvalidate function in the modules/cache/cachestorage.c module of the modcache module in the Apache HTTP Server. When the caching proxy server is enabled, this vulnerability allows remote HTTP servers to cause a service failure by reassigning the null pointer an...

UBUNTU-CVE-2016-2313

authlogin.php in Cacti before 0.8.8g allows remote authenticated users who use web authentication to bypass intended access restrictions by logging in as a user not in the cacti database...

Cisco Nexus 3000 Series NX-OS SNMP Service Stop Response Vulnerability

The Cisco Nexus series switches are data center-class switches. The Cisco Nexus OS operating system is used. A security vulnerability in the Cisco Nexus 3000 Series NX-OS allows remote attackers to exploit the vulnerability by submitting SNMP requests containing non-existent OIDs, which can cause...

Cross site scripting

Cross-site scripting XSS vulnerability in libahttp/err.c in OkCupid OKWS OK Web Server allows remote attackers to inject arbitrary web script or HTML via the PATHINFO to a non-existent page, which is not properly handled in a 404 error page...

CVE-2013-7441

The modern style negotiation in Network Block Device nbd-server 2.9.22 through 3.3 allows remote attackers to cause a denial of service root process termination by 1 closing the connection during negotiation or 2 specifying a name for a non-existent export...

UBUNTU-CVE-2013-7441

The modern style negotiation in Network Block Device nbd-server 2.9.22 through 3.3 allows remote attackers to cause a denial of service root process termination by 1 closing the connection during negotiation or 2 specifying a name for a non-existent export...