Denial of service

The Network Block Device NBD server in Quick Emulator QEMU before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from...

DEBIAN-CVE-2017-15119

The Network Block Device NBD server in Quick Emulator QEMU before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from...

Linux kernel 'perf_cpu_time_max_percent_handler' function denial of service vulnerability

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in the 'perfcputimemaxpercenthandler' function in the kernel/events/core.c file in Linux kernel versions prior to 4.11. A local attacke...

DEBIAN-CVE-2017-18255

The perfcputimemaxpercenthandler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service integer overflow or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation...

CVE-2017-15119

The Network Block Device NBD server in Quick Emulator QEMU before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from...

The scrypt parameters

The recommended scrypt parameters in the Go docs were recently brought up for discussion given they havent changed since 2009. Even if at this point I memorized the three numbers N=16384, r=8, p=1 I only have a vague understanding of their meaning, so I took some time to read the scrypt paper. It...

Internet Bug Bounty: ASN.1 BIO excessive memory allocation (CVE-2016-2109)

On 4 April 2016 I reported a bug to the OpenSSL Security Team where I was able to force OpenSSL to use large amounts of cpu time, memory and swap space. They confirmed receipt on 6 April 2016 and on 22 April 2016 I was notified that they were assigning CVE-2016-2109 to this flaw and the fix was...

Juniper Networks Junos OS SSH Denial of Service Vulnerability

Junos OS is prone to a denial of service DoS vulnerability. on the SSH server. SPDX-FileCopyrightText: 2015 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 CPE =...

jre7-openjdk: multiple issues

CVE-2015-4734 information disclosure It was discovered that the JGSS component of OpenJDK did not properly hide Kerberos realm information from all error exceptions when running under Security Manager. An untrusted Java application or applet could use this flaw to obtain certain information about...

Moderate: Red Hat Security Advisory: php54-php security update

Updated php54-php packages that fix multiple security issues are now available for Red Hat Software Collections 2. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, are...

Important: Red Hat Security Advisory: php55-php security update

Updated php55-php packages that fix multiple security issues are now available for Red Hat Software Collections 2. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, are...

Fedora 22 : freeipa-4.1.4-1.fc22 / slapi-nis-0.54.2-1.fc22 (2015-4788)

CVE-2015-1827: It was discovered that the IPA extdom Directory Server plug-in did not correctly perform memory reallocation when handling user account information. A request for a list of groups for a user that belongs to a large number of groups would cause a Directory Server to crash...

Medium: ruby19

Issue Overview: The upstream patch for CVE-2014-8080 introduced checks against the REXML.entityexpansiontextlimit, but did not add restrictions to limit the number of expansions performed, i.e. checks against the REXML::Document.entityexpansionlimit. As a consequence, even with the patch applied,...

Microsoft Outlook Express 5.5 DoS Device Denial of Service Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/4584/info A denial of service issue has been reported in Microsoft Outlook Express. Reportedly, Outlook Express does not adequately handle unusually crafted HTML mail messages. Modifying the BGSOUND or IFRAME tag to conta...

[ MDVSA-2014:116 ] file

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Mandriva Linux Security Advisory MDVSA-2014:116 http://www.mandriva.com/en/support/security/ Package : file Date : June 10, 2014 Affected: Business Server 1.0 Problem Description: Updated file packages fix security vulnerabilities: A flaw was found in...

Fedora 20 : jansson-2.6-1.fc20 (2014-3778)

Florian Weimer of the Red Hat Product Security Team found that the hashing implementation in Jansson, a library for encoding, decoding and manipulating JSON data, was susceptible to predictable hash collisions. A remote attacker could use this flaw to cause an application using Jansson to use an...

Amazon Linux AMI : expat (ALAS-2012-89)

A denial of service flaw was found in the implementation of hash arrays in Expat. An attacker could use this flaw to make an application using Expat consume an excessive amount of CPU time by providing a specially crafted XML file that triggers multiple hash function collisions. To mitigate this...

Mandriva Linux Security Advisory : mosh (MDVSA-2013:104)

Updated mosh package fixes security vulnerability : Mosh versions 1.2 and earlier allow an application to cause the mosh-server to consume large amounts of CPU time with a short ANSI escape sequence. In addition, a malicious mosh-server can cause the mosh-client to consume large amounts of CPU ti...

Moderate: Red Hat Security Advisory: Fuse ESB Enterprise 7.1.0 update

Fuse ESB Enterprise 7.1.0, which fixes two security issues, various bugs, and adds enhancements, is now available from the Red Hat Customer Portal. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System CVSS base scores,...

Moderate: Red Hat Security Advisory: JBoss Operations Network 3.1.1 update

JBoss Operations Network 3.1.1, which fixes one security issue, several bugs, and adds enhancements, is now available from the Red Hat Customer Portal. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System CVSS base scor...