Ubuntu 14.04 LTS / 16.04 LTS : DHCP vulnerabilities (USN-3586-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3586-1 advisory. Konstantin Orekhov discovered that the DHCP server incorrectly handled a large number of concurrent TCP sessions. A remote attacker could...

USN-3586-1: DHCP vulnerabilities

Konstantin Orekhov discovered that the DHCP server incorrectly handled a large number of concurrent TCP sessions. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-2774 It was discovered that the...

UBUNTU-CVE-2014-10071

In exec.c in zsh before 5.0.7, there is a buffer overflow for very long fds in the "& fd" syntax...

Medium: dhcp

Issue Overview: Omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service It was found that the DHCP daemon did not properly clean up closed OMAPI connections in certain cases. A remote attacker able to connect to the OMAPI port could use this flaw to...

EulerOS 2.0 SP1 : dhcp (EulerOS-SA-2018-1035)

According to the version of the dhcp packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - It was found that the DHCP daemon did not properly clean up closed OMAPI connections in certain cases. A remote attacker able to connect to the OMAPI...

EulerOS 2.0 SP2 : dhcp (EulerOS-SA-2018-1036)

According to the version of the dhcp packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - It was found that the DHCP daemon did not properly clean up closed OMAPI connections in certain cases. A remote attacker able to connect to the OMAPI...

Oracle Linux 7 : dhcp (ELSA-2018-0158)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2018-0158 advisory. 12:4.2.5-58.0.1.1 - Added oracle-errwarn-message.patch 12:4.2.5-58.1 - Resolves: 1523475 - Fix omapi socket descriptors leak Tenable has extracted the preceding...

dhcp: omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service

It was found that the DHCP daemon did not properly clean up closed OMAPI connections in certain cases. A remote attacker able to connect to the OMAPI port could use this flaw to exhaust file descriptors in the DHCP daemon, leading to a denial of service in the OMAPI functionality...

dhcp security update

12:4.2.5-58.0.1.1 - Added oracle-errwarn-message.patch 12:4.2.5-58.1 - Resolves: 1523475 - Fix omapi socket descriptors leak...

ISC DHCP 4.1.0 to 4.1-ESV-R15 / 4.2.0 to 4.2.8 / 4.3.0 to 4.3.6 DoS vulnerability

The DHCP server version installed on the remote host is 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, or 4.3.0 to 4.3.6. It is, therefore, vulnerable to a denial of service condition with in the omapiconnectionwriter function of the omapip/buffer.c script due to improper handling of an empty message. A...

CVE-2017-3144

A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server. Affects ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6. Older versions may also be affected but are well beyond...

MGASA-2017-0458 Updated dhcp packages fix security vulnerability

It was found that the DHCP daemon does not free socket descriptors when handling empty OMAPI messages. An adjacent network attacker could potentially use this flaw to send crafted OMAPI messages to the DHCP daemon, thereby leading to denial of service due to exhaustion of file descriptors in the...

Tor Denial of Service Vulnerability (CNVD-2018-00232)

Tor is free software that enables anonymous communication. A denial of service vulnerability exists in Tor before 0.2.8.12. An attacker can exploit this vulnerability to cause a denial of service client crash via specially crafted hidden service descriptors...

Tor Denial of Service Vulnerability (CNVD-2017-38231)

Tor The Onion Router is a second-generation implementation of onion routing, primarily used for anonymous access to the Internet. Tor suffers from a denial of service vulnerability. A remote attacker could exploit this vulnerability to cause a denial of service null pointer backreference and...

UBUNTU-CVE-2017-8822

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, relays that have incompletely downloaded descriptors can pick themselves in a circuit path, leading to a degradation of anonymity, aka TROVE-2017-012...

DEBIAN-CVE-2017-8822

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, relays that have incompletely downloaded descriptors can pick themselves in a circuit path, leading to a degradation of anonymity, aka TROVE-2017-012...

CVE-2017-8822

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, relays that have incompletely downloaded descriptors can pick themselves in a circuit path, leading to a degradation of anonymity, aka TROVE-2017-012...

Ubuntu: Security Advisory (USN-3485-1)

The remote host is missing an update for the 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 ifdescription...

USN-3485-3: Linux kernel (AWS) vulnerabilities

It was discovered that a race condition existed in the ALSA subsystem of the Linux kernel when creating and deleting a port via ioctl. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-15265 Eric Biggers discovered that the key...

Debian DLA-1123-1 : golang security update

It was discovered that there was an issue in the Go programming language library where an attacker could generate a MIME request such that the server ran out of file descriptors. For Debian 7 'Wheezy', this issue has been fixed in golang version 2:1.0.2-1.1+deb7u1. We recommend that you upgrade...